Remove external git dependency Fixes #2 #6
* removed puppetlabs/git submodule
* removed `require => Class[git]`
* updated rbenv install and plugin install
* updated README, Vagrantfile, tests
Remove git dependency from Modulefile
Update test documentation
Merge pull request #7 from thaumazein/update-readme

Update test documentation
Merge pull request #8 from thaumazein/remove-git-dependency-from-modulefile

Remove git dependency from Modulefile
Merge remote-tracking branch 'upstream/master'