-sliding layer on retains its position on rotation, i.e. stays open if it was open or vice versa
Merge branch 'master' of https://github.com/akshaydashrath/android-sliding-layer-lib

Conflicts:
	Library/src/com/slidinglayer/SlidingLayer.java
* Essential to keep the previous layer state (opened or closed since when onLayout() is called it closes itself the layer always)
* Using the latest supportLibraryPackage version