LMS-597 testing framework extended and modified

openbis/build/build.xml

openbis/etc/passwd

.../eclipse/openBIS System Tests (Hosted Mode, Linux).launch

...ce/eclipse/openBIS System Tests (Hosted Mode, Mac).launch

...clipse/openBIS System Tests (Hosted Mode, Windows).launch

...nbis/generic/client/web/client/IGenericClientService.java

.../client/web/client/application/AbstractAsyncCallback.java

...openbis/generic/client/web/client/application/Client.java

...eric/client/web/client/application/ICallbackListener.java

...generic/client/web/client/application/ui/LoginWidget.java

...enbis/generic/client/web/server/GenericClientService.java

...eneric/client/web/server/GenericClientServiceServlet.java

...ric/client/web/client/application/AuthenticationTest.java

...client/application/AuthorizationManagementConsolTest.java

.../generic/client/web/client/application/ui/CheckGroup.java

...generic/client/web/client/application/ui/CreateGroup.java

...enbis/generic/client/web/client/application/ui/Login.java

...nbis/generic/client/web/client/application/ui/Logout.java

.../web/client/testframework/AbstractDefaultTestCommand.java

.../client/web/client/testframework/AbstractGWTTestCase.java