[1/2] Base: more improve Active Display

1. fix http://jira.omnirom.org/browse/OMNI-651
2. fix http://jira.omnirom.org/browse/OMNI-641
3. add http://jira.omnirom.org/browse/OMNI-652
4. Add option Double tap to sleep every where
5. Add option to show wallpaper blur behind active display
6. Allow to show numbers of notification on Handle (only show if
notification count is enabled in bar settings)
7. minor improvements
8. add battery circle around handle (only show if battery circle around
lockscreen handle enabled, see security settings)
9. fix http://jira.omnirom.org/browse/OMNI-665
10. fix whitespace