update gradle properties version
do not tear down outgoing views if the rigger did not detach them (modal views)
Merge remote-tracking branch 'origin/master' into fix-orientation-change

Conflicts:
	gradle.properties
	sample-simple/src/main/java/com/davidstemmer/screenplay/sample/simple/component/DrawerLockingComponent.java
	sample-simple/src/main/java/com/davidstemmer/screenplay/sample/simple/scene/StackedScene.java
fix issue where wrong view was being passed to the rigger on back press
assign stuff to variables for DRY and clarity
selected -> delegated
change variable name for consistency
remove imports
Merge pull request #55 from weefbellington/fix-orientation-change

Don't tear down the outgoing scene when using a StackRigger and moving forward