Creating branch for BioC 3.0 release.

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/branches/RELEASE_3_0/madman/Rpacks/flowWorkspace@95441 bc3139a8-67e5-0310-9ffc-ced21a209358
change the way of searching reference node when parsing boolean gate
reslove cherry-pick conflicts
Merge branch 'trunk'
prevent the self-referral boolean gate
Merge branch 'trunk'
Merge commit '22d4375bf98056dda03667b63ab11b57c14e1fc7'