removed old files
CellStates, cleanup

• cell states are now stored in a seperate array
Pull control

• refined pull control on collection view
• added label text change fade animation on pull
Storage

• improved the the saving mechanism in terms of reliability and UI
refreshing
Custom Navigation Controller

• removed code for custom navigation controller
 Navigation Controller

• removed even more custom nav controller code
Custom VC transition
Expense Creation Popup

• reworked the appearance of the expense view controller
Renoved BYViewController, cleanup
Old, working Layout
New Layout approach (cancelled)
Revert dac8388..a575526

This rolls back to commit dac838852164c945ee84696e761de8fd775139ec.
'PickerFlowLayout' => 'TableFlowLayout'
Double CollectionView UI working
Dynamic, dual-scrollview approach working
Table based layout approach
Major rework

• UI simplification
• working main view UI concept
• major code cleanup
• all warnings resolved
Merge branch 'iOS7ready'