Settings: New battery style and changes (2/2)

after a lot user requests cause of only percentage battery icon
I integrated it with some changes

- add only percentage batter icon
- add dotted circle without percentage
- abbility to colorize all percentage texts on all battery icons
- changed reset logic (slimer)
- respect theme engine
- code clean up and optimzing as usual

cheers

Change-Id: Ia07e08317cb92b7382e69a6f1a01669fc5ccf088