ToasterMessage: fix addClass=>removeClass. Refs #403
ToasterMessage: fix addClass=>removeClass. Refs #403

tkrugg/deliteful,harbalk/deliteful,cjolif/deliteful,brunano21/deliteful,brunano21/deliteful,harbalk/deliteful,cjolif/deliteful,EAlexRojas/deliteful,kitsonk/deliteful,EAlexRojas/deliteful,kitsonk/deliteful,tkrugg/deliteful