Replace PreferencePage for WorkbenchPreferencePage due to RD refactoring
OpenShift new test, stability improvements and javadoc
Changed root element name in server requirements  to be jboss-server-requirement instead of server-requirement. All found server requirements resources should be changed by now and reflect this change. This allows to use new version of server requirements schema which will support remote server adapters later on.
Fixes to current API bcs. of RedDeer master changes, MANIFEST version of RedDeer removed, javadoc modified
RedDeer site property renamed and predefined sites added
Portlet: Created JBDS7CompatibilityGatein test with artefact updated on nexus