[NbtkEntry] Implement a shortcut for pasting text from the clipboard
[NbtkEntry] Implement a shortcut for pasting text from the clipboard

ctrl-v can be used to paste text from the clipboard.

jonnylamb/mx,pwithnall/mx,clutter-project/mx,pwithnall/mx,pwithnall/mx,jonnylamb/mx,jonnylamb/mx,clutter-project/mx,clutter-project/mx,pwithnall/mx,clutter-project/mx,jonnylamb/mx