fix features that broke the package checking

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/ggbio@78726 bc3139a8-67e5-0310-9ffc-ced21a209358
version bump

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/ggbio@78727 bc3139a8-67e5-0310-9ffc-ced21a209358