RFPL-2723: PageFragments: add rich:toolbar
RFPL-2723: Metamer: rewrite rich:toolbar tests using webdriver
Metamer: Attributes: Add support for apply select by option label

By default is applied option value, but for some selects (e.g. icons: option labeled "star" contains full path to star.png file and tests fails using key from sources using selenium (which actually supports selects by option label)
RFPL-2723: Metamer: rich:toolbar: fix for staleElementReferenceException

While iterate one test method through all available tools, routines for testing @class or @style fails on staleElementReferenceException since change attribute value leads to reload page and invalidate reference given as param to test.
metamer: deleting duplicate links in calendar's list of samples page
metamer: calendar: fixing timezone
[showcase-ftest]: workaround for js dialog window

TimeoutinSeconds for selenium-server set to 60.
Merge remote-tracking branch 'origin/master' into wfk22