Update support library
Fix for not initializing mExpandedViews. Fixes #69
Add method to let to know if a position is expanded
Fix accidental calls to setAdapter(ListAdapter)
Update ExpandableListItemAdapter.java

Added methods to get TitleView and ContentView of a specified position.
Merge branch 'dev' into pr/n73_BraisGabin
Merge branch 'pr/n73_BraisGabin' into dev
Merge branch 'dev' into pr/n74_BraisGabin
Merge branch 'pr/n74_BraisGabin' into dev
Merge branch 'dev' into pr/n75_belandsoft

Conflicts:
	library/src/com/haarman/listviewanimations/itemmanipulation/ExpandableListItemAdapter.java

Removed static keywords
Merge branch 'pr/n75_belandsoft' into dev
Merge remote-tracking branch 'upstream/dev'
merge from upstream