add persist.sys.tonyp_mem_mgmt settings

Conflicts:
	res/values/strings.xml

Conflicts:
	src/com/android/settings/cyanogenmod/MemoryManagement.java

Conflicts:
	src/com/android/settings/cyanogenmod/MemoryManagement.java

Add missing strings
Merge branch 'kitkat' of https://github.com/Puri12/AOSPA_packages_apps_Settings into kitkat