Update OSX installation documentation
Merge pull request #20 from GhiGt/master

Update Internationalization.rst
Merge pull request #21 from danielstjules/osx

Update OSX installation documentation
Updated GitHowTo with some details mentioned in issue 843
Merge pull request #22 from danielstjules/issue-843

Updated GitHowTo with some details mentioned in issue 843
Creation of Rbenv.rst
update Rbenv
Merge pull request #23 from GhiGt/rbenv

Rbenv installation