Added static method to generate SSH key. Added library to composer. Changed file perms to 600 for files and 700 for dirs.
Added updated composer.lock file
Merge branch 'master' of https://github.com/CSC495-2014/TeamworkEnglewoodGit
Added method to generate SSH priv/pub key pairs in FileSystem class. Added all specific git commands in GitCommands class. Created tests for all git commands in GitCommands class.
Added comment
Removed require_once.
Merge pull request #102 from ZAM-/master

Git Commands
Fixed Merge Conflict