Allow anonymous access to gerrit

Without the loginUrl setting, gerrit assumes the user is logged in; if
that is not the case, it then automatically attempts to start the OAuth
process and redirects to GitHub.
Merge pull request #699 from edx/gprice/anonymous-gerrit

Allow anonymous access to gerrit
fixing the font location stanza
Merge pull request #703 from edx/jarv/fix-fonts

fixing the font location stanza
fix nginx conf dir
lowercase
Merge commit 'a6fefbe522db82e7c992393f5509671fecf1337d' of github.com:edx/configuration