Use keypress instead of keyup in bindEnterAndEscape
Use keypress instead of keyup in bindEnterAndEscape

Keyup event is fired on enter in IME (Input Method Editor), But
keypress is not. So, I changed to use keypress instead of keyup.

ether/pad,sciflow/pad,floatingatoll/pad,square/pad,OpeningDesign/SketchSpace,mozilla/pad,sciflow/pad,OpeningDesign/SketchSpace,ether/pad,jds2001/Etherpad-development,mozilla/pad,square/pad,floatingatoll/pad,sciflow/pad,floatingatoll/pad,jds2001/Etherpad-development,ether/pad,ether/pad,jds2001/Etherpad-development,OpeningDesign/SketchSpace,floatingatoll/pad,sciflow/pad,OpeningDesign/SketchSpace,mozilla/pad,mozilla/pad,square/pad,floatingatoll/pad,OpeningDesign/SketchSpace,square/pad,mozilla/pad,ether/pad