Page objects usage refactored - AbstractWebDriverTest is no longer generic
RFPL-2494: Showcase - tests for DynamicTabs added

Graphene 2 tests and test page added. TestPage field from
AbstractWebDriverTest renamed to page.
RFPL-2514: Showcase tests for rich:placeholder

Test page and tests added.
Metamer: rich:placeholder: added beans, refactored pages, added property to web.xml
Metamer: rich:placeholder: added some tests
Metamer: updated testng-selenium2.xml
Metamer: removed generics from placeholder test classes
Merge branch 'master' of github.com:richfaces/qa into jenkins-profile
tests refactored in order to remove compilation errors
locator of rich:calendar fixed
Metamer: rich:calendar : added sample
Metamer: rich:calendar : added test for timeZone
Metamer: tomEE profile fixed and added logging properties
ElementIsFocused, FocusRetriever moved to common/webdriver-utils module

They will be need for rich:focus testing at least in showcase-ftest.
RFPL-2515: Tests for showcase rich:focus added

Also fixed tests for sorting on data table columns to ignore case when
asserting.
added reproducer for EDT issue in IE8 (RF-12639)
two non-valid TestNG descriptors updated
deprecated methods fixed
Merge branch 'master' of github.com:richfaces/qa into jenkins-profile
Selenium updated to version 2.27.0