SWE-2 / SP-263: Refactor Page and BrowserPage classes away.

...systemsx/cisd/openbis/uitest/infra/ApplicationRunner.java

...java/ch/systemsx/cisd/openbis/uitest/infra/Browsable.java

...e/java/ch/systemsx/cisd/openbis/uitest/infra/Browser.java

...nbis/uitest/infra/matcher/BrowserListsElementMatcher.java

...stemsx/cisd/openbis/uitest/infra/matcher/PageMatcher.java

...stemsx/cisd/openbis/uitest/infra/webdriver/PageProxy.java

...systemsx/cisd/openbis/uitest/page/common/BrowserPage.java

...h/systemsx/cisd/openbis/uitest/page/common/LoginPage.java

...ava/ch/systemsx/cisd/openbis/uitest/page/common/Page.java

...java/ch/systemsx/cisd/openbis/uitest/page/common/Row.java

...a/ch/systemsx/cisd/openbis/uitest/page/common/TopBar.java

...d/openbis/uitest/page/dialog/AddExperimentTypeDialog.java

.../cisd/openbis/uitest/page/dialog/AddSampleTypeDialog.java

...temsx/cisd/openbis/uitest/page/dialog/AddSpaceDialog.java

.../cisd/openbis/uitest/page/dialog/AddVocabularyDialog.java

...cisd/openbis/uitest/page/dialog/EditSampleTypeDialog.java

...isd/openbis/uitest/page/dialog/InvalidPasswordDialog.java

.../ch/systemsx/cisd/openbis/uitest/page/menu/AdminMenu.java

...emsx/cisd/openbis/uitest/page/menu/AuthorizationMenu.java

...ch/systemsx/cisd/openbis/uitest/page/menu/BrowseMenu.java