Runtimes: replace WidgetNotAvailableException by SWTLayerException
Runtimes: OperateServerTemplate test fix
Fix method SWTOpenExt.viewOpen() to wait while dialog is opened
Delete test folder properly witihn tearDown() method
Merge branch 'master' of git://github.com/jbosstools/jbosstools-integration-tests into ESB_button_changes