System app remover: add priv-app apps to list

* also added procedures for odexed ROMs and remove icons

PS2: added some DU copyright stuff and removed white spaces

Change-Id: I52b20f9c1e2bcb266f96e7938466eef1786a0fcb

Conflicts:
	res/drawable-hdpi/ic_settings_lockscreen.png
	res/drawable-mdpi/ic_dt_adblocker.png
	res/drawable-xhdpi/ic_settings_lockscreen.png
	res/layout/preference_adblocker.xml
	res/xml/ose_advanced_settings.xml