Initial Commit
functionality for adding GitHub user name
beginning of a CoreDataManager
request and save github user info
display github avatar
rename view controllers according to application domain
refactor saving across multiple contexts
refactor fetched results controller stuff into a CoreDataFetcher a la NestedToDoList
mild interface change to get RepoViewController ready for further development
pulling and displaying info of repos for a GitHub user
preminarily debugged; adding alert to show GitHub's rate limiting message.
Create README.md
Merge branch 'master' of https://github.com/luojun/CoreDataSkeleton

Conflicts:
	README.md