Importing of MSMatrixMasterViewController is not need by the Gesture Recognizer
Remove controller without shifting, move controller to specific position, and made goToViewController public
Positions of view controllers can now be reset, multiple controllers can be inserted at the same time, and removed view controllers from matrix can now be animated or not.
Merge pull request #6 from mmorey/master

Remove controller without shifting, move controller to specific position, and made goToViewController public