NIHVIVO-1399 create a servlet and template to use in faking external authentication. Add the info to web.xml, but commented out.

webapp/web/templates/freemarker/body/fakeExternalAuth.ftl

@@ -0,0 +1,19 @@
+<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
+
+<#-- Template for the Fake External Authentication page. -->
+
+<section role="region">
+    <h2>Fake External Authentication</h2>
+    
+    <p>
+      Enter the userID that you want to sign in as, or click Cancel.
+    </p>
+
+		<form action="${controllerUrl}">
+			Username:
+			<input type="text" name="username" />
+			<input type="submit" value="submit" /> 
+			<input type="submit" name="cancel" value="cancel" /> 
+		</form>
+    <br/>
+</section>