install newer git, gitlab needs >1.7.10

[fjmk]

Install a newer git version on el6.

su - git -c "cd gitlab;bundle exec rake gitlab:check RAILS_ENV=production" says: Your git bin path is "/usr/bin/git" Git version >= 1.7.10 ? ... no Try fixing it: Update your git to a version >= 1.7.10 from Unknown Please fix the error above and rerun the checks.