Lockscreen: Notifications: Fix for devices without proximity sensor

*also fix some dependencies
[2/2] OmniGears: Add unlock icons for Gmail and Snapchat

Change-Id: Ibc1ecf46867cfa4c74a3cae1331e787aaaea08cc

Conflicts:
	res/values/custom_arrays.xml
	res/values/custom_strings.xml
Settings: Add an option to reset custom user preferences

Credit:D4rKn3sSyS
Used to reset swipe left to float
Merge remote-tracking branch 'upstream/kitkat2' into kk44