fixes #966 to prevent always searching all repos

Paul Martin

2016-04-16 b674fed230bcd6488b796f49de5505cbaf448b07

 src/main/java/com/gitblit/wicket/pages/propose_git.md

@@ -2,5 +2,5 @@
    cd ${repo}
    git checkout -b ${reviewBranch} origin/${integrationBranch}
    ...
    git push --set-upstream origin ${reviewBranch}
    git push -u origin ${reviewBranch}