Ignore user created gollum wikis (aka embedded .git repos) from the master code base.
Where no layouts defined within users site, fallback to /views/layouts.erb
Previously code was unaware of /views/layouts.erb and just loaded html from a hardcoded string of HTML.
Merge branch 'master' of https://github.com/peterkeen/sites
Merge branch 'master' of https://github.com/evolve2k/sites