Don't crash with an NPE when the cache contains removed repositoried

Robin Rosenberg

2013-09-01 86dca9da11d66aba2104ab64fbe3affb5ebf0ff4

 src/main/java/com/gitblit/wicket/panels/CommitHeaderPanel.java

@@ -33,6 +33,7 @@
      add(new Label("commitid"));

      add(new Label("author"));

      add(new Label("date"));

      add(new Label("authorAvatar"));

   }



   public CommitHeaderPanel(String id, String repositoryName, RevCommit c) {