[1/2] OmniGears: notification drawer: custom clock & calendar shortcut

Base: https://gerrit.omnirom.org/#/c/4811/

PS10:
added AppSelectListPreference and use for clock and calendar

Change-Id: I68b9a8bbb84042cbf4bc448cfc30599132f03256
Revert "[1/2] OmniGears: notification drawer: custom clock & calendar shortcut"

This reverts commit 83af1e7482cb8225da41af5c9dd153e2c32d8e4a.
Revert "[2/2] OmniGears: Navigation bar height/width"

This reverts commit d4571a2dfed7bce70d27caff9c499ec2d86a071d.
Merge branch 'head' into kitkat

Conflicts:
	res/values/custom_arrays.xml
	res/values/custom_strings.xml
	res/xml/bars_settings.xml

Change-Id: I9ca56b04d277ec623650f6ff5cf4e6bd5b35ea4b