Settings: Gesture Anywhere - bring it back [2/2]

AICPfy lp5.0
- Haven't added icon on purpose for now
- Added CM's ShortcutPickHelper because it
  used it in KK base and no need to modify anything

Change-Id: I51ead6cc35684104ecc1211df0a598d1a0b816c1

@alviteri: Aicp'fy --> crDroid'fy also remove uneeded spaces at SeekBarPreference

Conflicts:
	res/values/cr_arrays.xml
	res/values/cr_attrs.xml
	res/values/cr_strings.xml
	res/xml/crdroid_custom_settings.xml