merge from github

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/flowWorkspace@73941 bc3139a8-67e5-0310-9ffc-ced21a209358
Merge commit '42037ae714cf61d16dd7456772f2cbec3449fe67' into trunk
close #36
disable the current logTrans in C++ to avoid misusage in furture. #issue #36