fix ui.save not detect escape key
fix ui.save not detect escape key

change event from onkeypress to onkeyup because onkeypress cannot detect escape key press
if (e.keyCode === 27)
lhorie/mithril.js,pygy/mithril.js,barneycarroll/mithril.js,pygy/mithril.js,lhorie/mithril.js,impinball/mithril.js,tivac/mithril.js,MithrilJS/mithril.js,MithrilJS/mithril.js,barneycarroll/mithril.js,impinball/mithril.js,tivac/mithril.js