JBTIS-328 - JBTIS TP Beta1

    Pick up the org.eclipse.birt.feature.group for use in Teiid
    Update to Luna SR1 http://download.jboss.org/jbosstools/updates/requirements/luna/201409180900-SR1
    Update JBoss Tools core target dependencies to CR1 http://download.jboss.org/jbosstools/static/releases/jbosstools-4.2.0.CR1-updatesite-core/ http://download.jboss.org/jbosstools/static/releases/jbosstools-4.2.0.CR1-updatesite-coretests/
    Update orbit requirements to 2014 http://download.jboss.org/jbosstools/updates/requirements/orbit/R20140525021250