make sure endian is set to 'little' when do readBin from packBits

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/flowCore@80082 bc3139a8-67e5-0310-9ffc-ced21a209358
merge the fix from git

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/flowCore@80083 bc3139a8-67e5-0310-9ffc-ced21a209358
Merge commit 'cf2be8ba8e7181029f8684e542a2198c50437500' into trunk
update versions according to bioc