refactored workbench plugin to meet standard layout
Updated javadoc for org.jboss.reddeer.requirements plugin #467
Refactored WidgetHandler. Fixes #519
Fixed failing console tests. Fixes #520

- check if parent is disposed in ConsoleView
- changed assert in ConsoleViewTest
Changed logging in AbstractWait. Fixes #526
Extending TextEditor capabilities. Fixes #350.