msm8960-common: Add haptic feedback control prefs

add settings to control vibration intensity

Requires http://review.cyanogenmod.org/36175 http://review.cyanogenmod.org/36232

Change-Id: I042f3e79f2b1bd36968d0b4a5c128b30bbc6738d

Conflicts:
	DeviceSettings/src/com/cyanogenmod/settings/device/DeviceSettings.java

Conflicts:
	DeviceSettings/res/values/arrays.xml
	DeviceSettings/res/values/strings.xml
	DeviceSettings/res/xml/haptic_preferences.xml
	DeviceSettings/src/com/cyanogenmod/settings/device/DeviceSettings.java
	DeviceSettings/src/com/cyanogenmod/settings/device/HapticFragmentActivity.java
	DeviceSettings/src/com/cyanogenmod/settings/device/Startup.java
msm8960-common: Add Vibrator Intensity preview when changing setting

Add a quick preview of the Intensity when changing values

Change-Id: Ie67fa4d038230822c9f5792b4485257ff9ab5573
Extra stuff...

Change-Id: Ic5855fde68c88432e8858d5716ff0c67756c3dcd