metamer: testing of style changed to work also on Chrome
* there was different order of style rules
metamer: orderingList, popupPanel, pickList, select, message, messages, treeNode: tests stabilization for Chrome browser
metamer: tab: header style testing united
metamer: editor: united testing of style, styleClass, title; removed unused method
metamer: calendar, message(s): tests stabilization for Chrome browser
metamer: input number slider: changed default @delay, removed its setting from some tests
metamer: panel menu: event is now triggered by JS