LCD Wizard dpi changer (from SlimRoms)

Prove

Hint: You need busybox for it

Patchset 2:
- cleanup

Schubi:
Fixathon with some changes to Helper Classes and others...

Change-Id: I424a3b7a8724f148adbdbb7af4704bc36cd2a62d

Conflicts:
	AndroidManifest.xml
	res/values-de/ck_strings.xml
	res/values/ck_arrays.xml
	res/values/ck_strings.xml
	res/xml/system_ui_settings.xml
	src/com/android/settings/cyanogenmod/SystemUiSettings.java
	src/com/android/settings/util/AbstractAsyncSuCMDProcessor.java
	src/com/android/settings/util/CMDProcessor.java
	src/com/android/settings/util/Helpers.java