fixed issue with parallax effect for view pager
make usage of default support library ViewPagerTransformer class
Merge branch 'v4'

Conflicts:
	app/app.iml
	app/build.gradle
	app/src/main/java/com/tunebrains/infiniteviewpager/MyActivity.java
	app/src/main/res/layout/fragment_item.xml
	gradle.properties
	libinfiniteviewpager/build.gradle
	libinfiniteviewpager/src/main/java/com/tunebrains/views/InfiniteViewPager.java
removed .idea from git