Grabbed a branch from the git folder

- Added GitObject class to superclass git objects
  - contains SHA1 and directory/file name info
  - need to pull the SHA1 class from anthony's canvas branch
- Implemented and tested the getBranch() method in the
  LocalRepoParser
Added Sha1 and worked on LocalRepoParser

- Plucked the Sha1 class from Antonio's canvas branch
- Working on parsing a commit object now
Merge branch 'repo_parser'

Conflicts:
	GitVisualizationTool.pro
	main.cpp