NIHVIVO-1581 If we aren't able to get the information from Subversion, no matter what the reason, look for a hard-coded value in a file before going with dummy values.

utilities/buildutils/revisioninfo/edu/cornell/mannlib/vitro/utilities/revisioninfo/RevisionInfoBuilder.java

@@ -70,7 +70,15 @@ public class RevisionInfoBuilder {
 		}
 
 		String release = assembleReleaseNameFromSubversion();
+		if (release == null) {
+			return null;
+		}
+		
 		String revision = obtainRevisionLevelFromSubversion();
+		if (revision == null) {
+			return null;
+		}
+		
 		return buildLine(release, revision);
 	}