Disable HW buttons when NavBar is enabled

Change-Id: I1d9974d46d5a5d985e652723dd0c4d62df2624fb
cmhw: Add vibrator intensity control

Credits to CM

Change-Id: I1323f9cf83a531a730559c128e6eadf6ec218eff
Settings: Volume panel background color && transparency [1/2]

Allow user to specify background color and transparency level
    for volume panel.

PS: make "TRDS default" summary value a resource so
        it can be translated.

Change-Id: Ic788b4ccf1826075a600e53bc6a7c3c8bda50685

Conflicts:
	res/values-fr/slim_strings.xml
	res/values-it/slim_strings.xml