helper: make use of PreferenceHandler()

Also cleaning up some random stuff.
dalvik: fix wrong shared pref path
dalvik: add proper boot path

Also fixing a few random things, like crash on boot with when no
governor specific paramters were set.
statstic: add small animation
Merge branch 'master' of github.com:Blechd0se/android_packages_apps_AeroControl
Many differences. Please check.

Conflicts:
	AeroControl/src/com/aero/control/fragments/MemoryFragment.java