When finished scrolling, item in focus becomes selected item in OnItemSelected listener
- New method onItemClicked for clicking on focused item
- onItemSelected gets newly focused item when scrolled to
- onItemSelected no longer called when item is clicked but already selected.
Merge pull request #12 from naweinberger/develop

OnItemSelected listener reflects newly focused item
Updating example app
Fixing README image
Updating changelog
Added contributors file
Merge branch 'develop'
Bumping snapshot version
Updating maven push
Merge branch 'develop'

Conflicts:
	gradle.properties