Forward port performance settings for PA

	modified:   AndroidManifest.xml
	new file:   res/drawable-hdpi/ic_settings_performance.png
	new file:   res/drawable-xhdpi/ic_settings_performance.png
	modified:   res/values/cm_arrays.xml
	modified:   res/values/cm_strings.xml
	modified:   res/values/config.xml
	new file:   res/xml/ioscheduler_settings.xml
	new file:   res/xml/memory_management.xml
	new file:   res/xml/performance_settings.xml
	new file:   res/xml/processor_settings.xml
	modified:   src/com/android/settings/Utils.java
	new file:   src/com/android/settings/cyanogenmod/BootReceiver.java
	new file:   src/com/android/settings/cyanogenmod/IOScheduler.java
	new file:   src/com/android/settings/cyanogenmod/MemoryManagement.java
	new file:   src/com/android/settings/cyanogenmod/PerformanceSettings.java
	new file:   src/com/android/settings/cyanogenmod/Processor.java