Fixed a typo

Fixed a variable name
Merge pull request #70 from mboie/master

updated composer to stable stability
Integrated with FileSystem model.
Added file renaming, file deleting, ability to refresh directory, and git status colorization.
Input validation for files.
Added new file and new folder stuff, fixed delete file/folder.
Small tweaks.
Change extension on rename.
Change extension on rename.
Cleaned up commented code.
Merge pull request #72 from apotheos/master

Front end interacting with server
Fixed background
Merge branch 'master' of https://github.com/CSC495-2014/TeamworkEnglewoodGit