Update setup_authentication.mkd

Anthony O.

2014-08-08 bdcb8d6d8c858e71f21a274654a41d6d5ab799fc

 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}