Fix 2 possible NullPointer occurences

marco

2015-10-17 1aec17636d8c548257cb307f8cc1e41354e00421

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

@@ -173,11 +173,11 @@
               // codereview refs

               linkClass = CommitPage.class;

               cssClass = "otherRef";

            } else if (name.startsWith(com.gitblit.Constants.R_GITBLIT)) {

               // gitblit refs

            } else if (name.startsWith(com.gitblit.Constants.R_META)) {

               // internal meta refs

               linkClass = LogPage.class;

               cssClass = "otherRef";

               name = name.substring(com.gitblit.Constants.R_GITBLIT.length());

               name = name.substring(com.gitblit.Constants.R_META.length());

            }



            Component c = new LinkPanel("refName", null, name, linkClass,