Avoid NPE when the default branch cannot be identified

Robin Rosenberg

2013-09-01 02ede7f11c6fb28ca53fc240905cd1b140236f08

 src/main/java/com/gitblit/models/RepositoryModel.java

@@ -46,6 +46,7 @@
   public String description;

   public List<String> owners;

   public Date lastChange;

   public String lastChangeAuthor;

   public boolean hasCommits;

   public boolean showRemoteBranches;

   public boolean useTickets;