added support for bitbucket pull request activity
corrected data associated with merged pull request feed items
Remove JSONKit
Replace JSONKit with NSJSONSerialization APIs
Merge pull request #11 from marramgrass/deprecate-jsonkit

Replace JSONKit with NSJSONSerialization.
Ignore duplicate items from separate feeds

- Fixes a common issue with accounts that have access to GitHub
organizations
Merge branch 'pr/9'
Add Bitbucket source+graphics to project
Merge pull request #1 from nfarina/master

Sync with parent repo