LCD Wizard dpi changer (from SlimRoms)

Hint: You need busybox for it

Patchset 2:
- cleanup

Change-Id: I7b22749b2ebb14a4d4fdeb944522097beee55705

Conflicts:
	AndroidManifest.xml
	res/values/arrays.xml
	res/values/strings.xml
	res/xml/anonymous_stats.xml
	src/com/android/settings/SettingsPreferenceFragment.java
	src/com/android/settings/slim/SoundSettings.java
	src/com/android/settings/util/CMDProcessor.java
	src/com/android/settings/util/Helpers.java
Fixathon

Change-Id: I22cb5fd12804228429cc02c6cc196277f7dead89

Conflicts:
	src/com/android/settings/slim/DensityChanger.java
	src/com/android/settings/util/CMDProcessor.java