Fix EventAdapter.removeListener()
Fix EventAdapter.removeListener()

ringo/ringojs,ringo/ringojs,oberhamsi/ringojs,Transcordia/ringojs,ashwinrayaprolu1984/ringojs,Transcordia/ringojs,oberhamsi/ringojs,ashwinrayaprolu1984/ringojs,ashwinrayaprolu1984/ringojs,ringo/ringojs,Transcordia/ringojs,ringo/ringojs,ashwinrayaprolu1984/ringojs,Transcordia/ringojs,oberhamsi/ringojs