Prepare next development version.
Drag a list item which is really pointed

Currently, drag and drop handler chooses a list item
which is located at some moved point.
But it has little difference from the point at touch down.

This pull request fixes DragAndDropHandler to drag a list item
which is located at touch down.
Return a correct child count for StickyListHeadersListViewWrapper; Unwrap StickyListHeaders item before trying to find ListViewAnimations' tags from it
Bring project versions up to date
Fixed example app in Lollipop
Renamed SwipeUndoTouchListener.dimissPending() -> SwipeUndoTouchListener.dismissPending().
Made StickyListHeadersListViewWrapper.unwrapItemView(View) private.
Merge branch 'pr/n275_harri35' into dev
Don't use raw values at all.
Merge branch 'pr/n264_tyfkda' into dev
Updated gradle build version
SwipeTouchListener.dismiss(int) now immediately dismisses the item without flinging it sideways. Fixes #245.
Renamed SwipeTouchListener.fling(int) to SwipeTouchListener.swipe(int).
Throw a more explaining exception when trying to swipe a header or footer view using SimpleSwipeUndoAdapter. Fixes #277.
Also throw the exception in getPrimaryView.
Update build-tools to 21.1
Added setAbsListView to ExpandableListItemAdapter

Also updated the Exception messages to contain the new
setListViewWrapper method.
Update maven config
Removed .project .classpath

These should be generated by eclipse at maven project import.
Merge pull request #285 from WonderCsabo/updateMaven

Update maven config