Fixed comments for running gitlab in a non-root path
- If you don't edit gitlab-shell/config.yml, you wnon't be able to push via SSH (as described here: http://stackoverflow.com/questions/15746336/gitlab-cant-push-code-to-server)
- If you don't re-run sudo -u git -H bundle exec rake assets:precompile RAILS_ENV=production, some icons won't be visible
Merge branch 'master' of https://github.com/gitlabhq/gitlabhq

Conflicts:
	config/application.rb
	config/gitlab.yml.example
	config/unicorn.rb.example
Merge pull request #5548 from CromFr/master

Fixed comments for running gitlab in a non-root path