Fix unwanted visuals on touch up outside of tap area

So, if one taps a button, drags pointer outside of tap area and releases it then unwanted visual feedback will be shown. See: https://www.dropbox.com/s/3r27s21fxnhmyvv/2014-03-31%2010.10.22.mp4
Merge pull request #1598 from alexander-mironov/patch-1

Fix unwanted visuals on touch up outside of tap area