Merge branch 'master' of github.com:ZAM-/TeamworkEnglewoodGit

Conflicts:
	app/models/FileSystem.php
Merge branch 'master' of github.com:ZAM-/TeamworkEnglewoodGit

Conflicts:
	app/models/FileSystem.php
Merge branch 'master' of github.com:CSC495-2014/TeamworkEnglewoodGit
Copy and Move functions added.
Added Copy, Move, and Make Directory.
Fixed removeDir call scope and mkDir mode.
mkDir mode set to 0700
Merge pull request #86 from jkwendt/master

File System Backend
Fixed projects page hack.
Fix issue #80

Same file does not open in multiple tabs
composer updated
reverted composer.lock
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.