Added new resources and chooseCategory elements
Still WIP
SwipeListView working. But swipe action not logical in terms of app category picking logic. Further action to convert to normal ListView that doesn't allow "archiving" category
Changed to ListView but not implemented. Added new overview fragment as landing page. Added action_add_transaction on action bar
Cleaned up content provider code. Following android dev instead of vogella
Cleaned up content provider code. Following android dev instead of vogella