Creating branch for BioC 3.0 release.

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/branches/RELEASE_3_0/madman/Rpacks/flowStats@95441 bc3139a8-67e5-0310-9ffc-ced21a209358
1. fix getGate error. close #12
2. clean up warpSetGS function
3. optimize warpSetNCDF by partial writing to cdf
4. fix a bug in warpSetNCDF
deprecate 'skipgates,skipdims' with 'populations, dims'
bump version
merge from trunk
Merge commit 'e4d60e07244894d85d1f4e98c91039313eef2016'