Rename DB to a relevant one
Update models with ActiveAndroid tags
Change id identifier as it colides with ActiveAndroid internal id
Add comment line to highlight db metadata
Initial data save to SQL via ActiveAndroid models
Bulk insert tweets
Move save process to a background thread
Ignore duplicate users
Drop tables to only save the most recent tweets
Add util lib to check connectivity
Offline capability
Rework AsyncTask to both Save or Delete & Save types
Update README
Fix pull-refresh bug

- Json handler needs to mark the refresh as complete on both success/failure
Merge branch 'active-android' into dev