Removed third party libraries

It is now possible to print each picture to color them also on paper

We complet refreshed the app adapting it to new devices' screens. It is also possible:
 • to choose the color in addition to the ones of the original painting
 • to use funny stickers
 • to use patterns to color painting

Solved minor bugs

Fixed minor issues

solved a problem that could cause a crash

- update for iOS7
- added kids category

- bug fixing

- bug fixing

- iPhone 5 support
- iOS6 better supported

- solved a problem with iOS5 on iPad1

- bug fixing

- bug fixing