Additional changes that missed issue #535

Ammended to add new dialog and dialog test:
- plugins/org.jboss.reddeer.eclipse/src/org/jboss/reddeer/eclipse/ui/ide/BuildServerDialog.java
- tests/org.jboss.reddeer.eclipse.test/src/org/jboss/reddeer/eclipse/test/ui/ide/BuildServerDialogTest.java