JBIDE-17254, JBIDE-17266, JBIDE-17317, JBIDE-17306: update to latest BIRT, tern.java, and m2e-apt
JBIDE-16757 move m2e.jdt from JBDS TP to Central TP
update README to point at M7, not M6
JBIDE-17254 regenerate IU versions for m2e.apt, birt, and tern