Remove UI operations from AsyncTask
Embedded progress bar
Fix crash on screen rotation
Clickable repository items
And a refactor: move repository related methods on activity class to fragment.
Improve performance of scrolling
Using ViewHolder
Separate database operations from XML parser
Implement JSON repository parser
Fix several update bugs on multiple repositories
Fix tagging star
Merge pull request #4 from sorz/v0.4.2

V0.4.2