JBIDE-16738 Update to latest Luna M6, WTP 3.6M6, birt 4.4.0.v20140311, Jetty 8.1.14, and move stuff from individual sites into Luna site (egit, m2e, m2e-wtp, mavenarchiver)
JBIDE-16738 update TPs to include Luna M6 and other updated deps
JBIDE-16737 move to Tycho 0.20.0