[entry] swallow various mouse events
[entry] swallow various mouse events

Swallow the enter, leave, button press and release events to prevent the
MxWidget implementation from setting various pseudo-class states that we
do not want ('active' and 'hover').

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