[2/3] omnigears: battery light settings

Also did a small layout change for notification lights

Change-Id: I9e80ce24a55083761a99fdb354d509b5574ad17f
[2/2] OmniGears: Pimp up ActiveDisplay

Base part: https://gerrit.omnirom.org/#/c/2819/

Change-Id: I8abf7a3018e7e0168860861ac240975cd1f8a2b0
Merge "[2/2] OmniGears: Pimp up ActiveDisplay" into android-4.4
OmniGears: Add option to enable activity indicators on status bar (2/2)

It needs that OmniGears patch: https://gerrit.omnirom.org/#/c/2509/

Change-Id: I298948d106161bafa9cd5c0b8624ce474e701e7a
merge changes from Omni 4.4 into local branch

Conflicts:
	res/xml/bars_and_menus_settings.xml

Change-Id: I32a47af28086b30eac69a1890e730f7607bf9e58