diff --git a/utilities/anttasks/classes/edu/cornell/mannlib/vitro/utilities/anttasks/DirDifferenceResourceCollection.class b/utilities/anttasks/classes/edu/cornell/mannlib/vitro/utilities/anttasks/DirDifferenceResourceCollection.class
index 25048a683..5d648d452 100644
Binary files a/utilities/anttasks/classes/edu/cornell/mannlib/vitro/utilities/anttasks/DirDifferenceResourceCollection.class and b/utilities/anttasks/classes/edu/cornell/mannlib/vitro/utilities/anttasks/DirDifferenceResourceCollection.class differ
diff --git a/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/AbstractDirResourceCollection.java b/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/AbstractDirResourceCollection.java
index b461fba32..058912f46 100644
--- a/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/AbstractDirResourceCollection.java
+++ b/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/AbstractDirResourceCollection.java
@@ -4,7 +4,6 @@ package edu.cornell.mannlib.vitro.utilities.anttasks;
 
 import java.io.File;
 import java.io.FileFilter;
-import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
diff --git a/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/DirDifferenceResourceCollection.java b/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/DirDifferenceResourceCollection.java
index 4c9d15da5..bd2da2425 100644
--- a/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/DirDifferenceResourceCollection.java
+++ b/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/DirDifferenceResourceCollection.java
@@ -3,14 +3,9 @@
 package edu.cornell.mannlib.vitro.utilities.anttasks;
 
 import java.io.File;
-import java.io.FileFilter;
 import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
 
 import org.apache.tools.ant.BuildException;
-import org.apache.tools.ant.types.DataType;
-import org.apache.tools.ant.types.Resource;
 import org.apache.tools.ant.types.ResourceCollection;
 import org.apache.tools.ant.types.resources.FileResource;
 
@@ -18,40 +13,11 @@ import org.apache.tools.ant.types.resources.FileResource;
  * Include all files that are in the primary directory, but do not have matching
  * files in the blocking directory.
  */
-public class DirDifferenceResourceCollection extends DataType implements
-		ResourceCollection {
-	private List<FileResource> files = null;
-	private File primaryDir;
+public class DirDifferenceResourceCollection extends
+		AbstractDirResourceCollection implements ResourceCollection {
 	private File blockingDir;
 	private boolean blockingOptional;
 
-	@Override
-	public boolean isFilesystemOnly() {
-		return true;
-	}
-
-	/**
-	 * Insure that the list has been filled and return an iterator to the list.
-	 */
-	@Override
-	public Iterator<? extends Resource> iterator() {
-		fillFilesList();
-		return files.iterator();
-	}
-
-	/**
-	 * Insure that the list has been filled and return the size of the list.
-	 */
-	@Override
-	public int size() {
-		fillFilesList();
-		return files.size();
-	}
-
-	public void setPrimary(File primaryDir) {
-		this.primaryDir = primaryDir;
-	}
-
 	public void setBlocking(File blockingDir) {
 		this.blockingDir = blockingDir;
 	}
@@ -65,7 +31,8 @@ public class DirDifferenceResourceCollection extends DataType implements
 	 * primary directory that are not blocked by files with the same path under
 	 * the blocking directory.
 	 */
-	private void fillFilesList() {
+	@Override
+	protected void fillFilesList() {
 		if (files != null) {
 			return;
 		}
@@ -75,33 +42,6 @@ public class DirDifferenceResourceCollection extends DataType implements
 
 		files = new ArrayList<FileResource>();
 		includeUnblockedFiles(primaryDir, blockingDir);
-
-	}
-
-	/**
-	 * The primary and blocking directory paths must be provided, and must point
-	 * to existing, readable directories.
-	 */
-	private void confirmValidDirectory(File dir, String label, boolean optional) {
-		if (dir == null) {
-			throw new BuildException(label + " directory not specified.");
-		}
-		if (!dir.exists()) {
-			if (optional) {
-				return;
-			} else {
-				throw new BuildException(label + " directory '" + dir.getPath()
-						+ "' does not exist.");
-			}
-		}
-		if (!dir.isDirectory()) {
-			throw new BuildException(label + " directory '" + dir.getPath()
-					+ "' is not a directory.");
-		}
-		if (!dir.canRead()) {
-			throw new BuildException(label + " directory '" + dir.getPath()
-					+ "' is not readable.");
-		}
 	}
 
 	/**
@@ -149,48 +89,4 @@ public class DirDifferenceResourceCollection extends DataType implements
 		return dir;
 	}
 
-	private void includeAllFiles(File primary) {
-		for (File file : primary.listFiles(new NonDirectoryFilter())) {
-			files.add(buildResource(file));
-		}
-		for (File primarySubDir : primary.listFiles(new DirectoryFilter())) {
-			includeAllFiles(primarySubDir);
-		}
-	}
-
-	/**
-	 * All file resources are based on the original primary directory.
-	 */
-	private FileResource buildResource(File file) {
-		String primaryBasePath = primaryDir.getAbsolutePath();
-		String filePath = file.getAbsolutePath();
-		if (!filePath.startsWith(primaryBasePath)) {
-			throw new IllegalStateException("File is not a descendant "
-					+ "of the primary directory: file='" + file
-					+ "', primary='" + primaryDir + "'");
-		}
-
-		String pathPart = filePath.substring(primaryBasePath.length());
-		if (pathPart.startsWith(File.separator)) {
-			pathPart = pathPart.substring(1);
-		}
-
-		// System.out.println("Resource: b='" + primaryDir + "', name='" +
-		// pathPart + "'");
-		return new FileResource(primaryDir, pathPart);
-	}
-
-	public class DirectoryFilter implements FileFilter {
-		@Override
-		public boolean accept(File file) {
-			return file.isDirectory();
-		}
-	}
-
-	public class NonDirectoryFilter implements FileFilter {
-		@Override
-		public boolean accept(File file) {
-			return !file.isDirectory();
-		}
-	}
 }
diff --git a/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/OptionalDirResourceCollection.java b/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/OptionalDirResourceCollection.java
new file mode 100644
index 000000000..65daae2b3
--- /dev/null
+++ b/utilities/anttasks/src/edu/cornell/mannlib/vitro/utilities/anttasks/OptionalDirResourceCollection.java
@@ -0,0 +1,35 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.utilities.anttasks;
+
+import java.util.ArrayList;
+
+import org.apache.tools.ant.types.ResourceCollection;
+import org.apache.tools.ant.types.resources.FileResource;
+
+/**
+ * If the primary directory exists, include all files that are descendent from
+ * it. Otherwise, don't complain but act as a collection of zero files.
+ */
+public class OptionalDirResourceCollection extends
+		AbstractDirResourceCollection implements ResourceCollection {
+
+	/**
+	 * If the list hasn't already been filled, fill it with all files in the
+	 * primary directory that are not blocked by files with the same path under
+	 * the blocking directory.
+	 */
+	@Override
+	protected void fillFilesList() {
+		if (files != null) {
+			return;
+		}
+		files = new ArrayList<FileResource>();
+
+		confirmValidDirectory(primaryDir, "The", true);
+		
+		if (primaryDir.exists()) {
+			includeAllFiles(primaryDir);
+		}
+	}
+}
diff --git a/webapp/build.xml b/webapp/build.xml
index 938453455..1e137e708 100644
--- a/webapp/build.xml
+++ b/webapp/build.xml
@@ -13,7 +13,7 @@
 	<!-- - - - - - - - - - - - - - - - - - 
           properties                      
          - - - - - - - - - - - - - - - - - -->
-	<property name="corebase.dir" location="." />
+	<dirname property="corebase.dir" file="${ant.file.vitroCore}" />
 
 	<!-- 
 		If calling from a Product build script, these properties already point to 
@@ -232,7 +232,8 @@ deploy   - Deploy the application directly into the Tomcat webapps directory.
 	        depends="test"
 	        unless="skipinfo"
 	        description="--> Store revision info in build">
-		<property name="revisionInfo.product.dir" location="${ant.file.vitroCore}/.." />
+
+		<property name="revisionInfo.product.dir" location="${corebase.dir}/.." />
 		<property name="revisionInfo.build.file" location="${war-resources.dir}/revisionInfo.txt" />
 
 		<delete file="${revisionInfo.build.file}" />
@@ -243,7 +244,7 @@ deploy   - Deploy the application directly into the Tomcat webapps directory.
 		<echo file="${revisionInfo.build.file}">${revisionInfo.timestamp}
 </echo>
 
-		<javac srcdir="${appbase.dir}/../utilities/buildutils/revisioninfo"
+		<javac srcdir="${corebase.dir}/../utilities/buildutils/revisioninfo"
 		       destdir="${test-classes.dir}"
 		       debug="true"
 		       deprecation="${javac.deprecation}"
@@ -267,7 +268,7 @@ deploy   - Deploy the application directly into the Tomcat webapps directory.
           target: prepareSolr                      
          - - - - - - - - - - - - - - - - - -->
 	<target name="prepareSolr" depends="properties">
-		<property name="solr.distrib.dir" location="${appbase.dir}/../solr" />
+		<property name="solr.distrib.dir" location="${corebase.dir}/../solr" />
 		<property name="solr.example.dir" location="${solr.distrib.dir}/exampleSolr" />
 		<property name="solr.context.config.example"
 		          location="${solr.distrib.dir}/exampleSolrContext.xml" />
diff --git a/webapp/product-build.xml b/webapp/product-build.xml
index 285cd762f..e8bb94805 100644
--- a/webapp/product-build.xml
+++ b/webapp/product-build.xml
@@ -42,14 +42,18 @@
 	<typedef name="dirDifference"
 	         classname="edu.cornell.mannlib.vitro.utilities.anttasks.DirDifferenceResourceCollection"
 	         classpathref="anttasks.classpath" />
+	<typedef name="optionalDir"
+	         classname="edu.cornell.mannlib.vitro.utilities.anttasks.OptionalDirResourceCollection"
+	         classpathref="anttasks.classpath" />
 
 	<!-- - - - - - - - - - - - - - - - - - 
           target: product-prepare                      
          - - - - - - - - - - - - - - - - - -->
-	<target name="product-prepare" depends="product-prepare-lib">
+	<target name="product-prepare">
 		<mkdir dir="${appbase.dir}" />
 		<mkdir dir="${appbase.dir}/web" />
 		<mkdir dir="${appbase.dir}/src" />
+		<mkdir dir="${appbase.dir}/test" />
 
 		<copy todir="${appbase.dir}/web">
 			<dirDifference primary="${inner.basedir}/web" blocking="${product.modifications.dir}" />
@@ -68,22 +72,38 @@
 			               blockingOptional="true" />
 		</copy>
 		<copy todir="${appbase.dir}/src">
-			<fileset dir="./src" />
+			<optionalDir primary="./src" />
+		</copy>
+
+		<copy todir="${appbase.dir}/lib">
+			<dirDifference primary="${inner.basedir}/lib"
+			               blocking="./lib"
+			               blockingOptional="true" />
+		</copy>
+		<copy todir="${appbase.dir}/lib">
+			<optionalDir primary="./lib" />
+		</copy>
+
+		<copy todir="${appbase.dir}/test">
+			<dirDifference primary="${inner.basedir}/test"
+			               blocking="./test"
+			               blockingOptional="true" />
+		</copy>
+		<copy todir="${appbase.dir}/test">
+			<optionalDir primary="./test" />
+		</copy>
+
+		<copy todir="${appbase.dir}/test">
+			<dirDifference primary="${inner.basedir}/test"
+			               blocking="./test"
+			               blockingOptional="true" />
+		</copy>
+		<copy todir="${appbase.dir}/test">
+			<optionalDir primary="./test" />
 		</copy>
 
 		<copy tofile="${appbase.dir}/context.xml" file="${inner.basedir}/context.xml" />
 	</target>
-	<!-- - - - - - - - - - - - - - - - - - 
-          target: product-prepare-lib                      
-         - - - - - - - - - - - - - - - - - -->
-	<target name="product-prepare-lib">
-		<mkdir dir="${appbase.dir}/lib" />
-
-		<available property="product.lib.exist" file="./lib" />
-		<mergedirs suffix="lib" flag="${product.lib.exist}" />
-		<copydir suffix="lib" flag="${product.lib.exist}" />
-	</target>
-
 	<!-- ================================= 
           target: describe              
          ================================= -->
@@ -162,36 +182,6 @@
 		<innercall target="war" />
 	</target>
 
-	<!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-          MACROS
-    	 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
-
-	<!--
-    			Call a target in the inner script.
-    		-->
-	<macrodef name="mergedirs">
-		<attribute name="suffix" />
-		<attribute name="flag" />
-		<sequential>
-			<copy todir="${appbase.dir}/web">
-				<dirDifference primary="${inner.basedir}/web" blocking="${product.modifications.dir}" />
-			</copy>
-			<copy todir="${appbase.dir}/web">
-				<fileset dir="${product.modifications.dir}" />
-			</copy>
-			<ant dir="${inner.basedir}" inheritall="false">
-				<!-- pass the properties that are needed. -->
-				<propertyset>
-					<propertyref name="build.dir" />
-					<propertyref name="skip.core.themes" />
-					<propertyref name="deploy.properties.file" />
-				</propertyset>
-				<additionalProperties />
-				<target name="@{target}" />
-			</ant>
-		</sequential>
-	</macrodef>
-
 	<!-- 
 	===========================================================================
 	===========================================================================