v20130106

- inverted default VolumeRocker scroll direction.
- Removed annoying sound when using VolumeRocker.
- Database backup/restore implemented
- Downloads intent+++ Make it cooler
- anti sleep fuinction
- Fix volume buttons when not in scroll mode
- Unit steps for scrolling Volume Rocker 1 = 100 normalized
- Verify clicking mascot in chapter and going to jump to screen.
- make bookmarks accessible in every part of the app
- Download all info make a background task
- Reformatted last update/check text
- Jump to inside content layout fixed