Check user prefix for invalid options. Add JavaDoc. Add unit tests.

Florian Zschocke

2013-08-21 0a16a66452e425a19755c6b7a629c8ff0c7ade50

 src/main/java/com/gitblit/wicket/pages/ComparePage.java

@@ -103,6 +103,9 @@
            toCommit = getCommit(r, toCommitId.getObject());
         }

         // prepare submodules
         getSubmodules(toCommit);
			
         final String startId = fromCommit.getId().getName();
         final String endId = toCommit.getId().getName();