Update to SLF4j 1.7.7

James Moger

2014-07-02 21df0daeacdbc6fedab788f745d3525d342bd7a8

 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}