Add support Tinted System bar [1/2]

thanks to ChameleonOs and Thinking Bridge for the base code
also thanks to @MuhammadAG for Actionbar implementation (Xposed-Tinted-Status-Bar)

this allow statusbar an navigationbar background to follow color from Top and Bottom of application

see https://plus.google.com/107971916147063794392/posts/Eaqn5UAvKDt

as bonus, we can call blurbackground from here too :)

Change-Id: I40f533dd404a02e10a85fed78123c60ffd51f387