apply mistria's changes to pull RC2 bits for Kepler, SWTBot, and BIRT
new builders for RC2: eclipse, wtp, tm/rse, mylyn
JBIDE-14566 set format=URL so we don't get .blobstore anymore
use mirror, not run task (do not regen metadata) for bpel, eclipsecs, egit
use mirror, not run task (do not regen metadata) for jetty, swtbot
JBIDE-14566 add format=URL to prevent blobstores
use mirror, not run task (do not regen metadata) for bpel, eclipsecs, egit, jetty, swtbot, tm