page fragments: calendar: xpath selectors fix
RFPL-2516: newVal and oldVal escaped in RichBean#valueChangeListenerImproved

Those values of the event need to be escaped before logging into the
page as they can contain special characters e.g. \r \n.
metamer: calendar: @minDaysInFirstWeek test fix
added name attributes to all plain HTML elements in order to work around Mojarra 2.1.15 issue (http://java.net/jira/browse/JAVASERVERFACES-2666)