Do not display fork button if target repo already exists (fixes #944)

James Moger

2015-11-10 c332d9a3d4d9485cfe60fb8dd9db7dbde971642c

 src/main/java/com/gitblit/manager/IGitblit.java

@@ -33,7 +33,8 @@
                           IAuthenticationManager,
                           IRepositoryManager,
                           IProjectManager,
                           IFederationManager {
                           IFederationManager,
                           IFilestoreManager {

   /**
    * Creates a complete user object.