update ideogram vignette and functions, autoplot,seqinfo now produce both karyogram overview and single chromosome ideogram, layout_karyogram now use geom = rect as default

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/ggbio@72527 bc3139a8-67e5-0310-9ffc-ced21a209358
add uneuqal transformation, and update overview vignette a little bit, bug fixes for karygram

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/ggbio@72532 bc3139a8-67e5-0310-9ffc-ced21a209358
add coord_genome file

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/ggbio@72533 bc3139a8-67e5-0310-9ffc-ced21a209358
changes for compatibility with knitr 1.0

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/ggbio@72546 bc3139a8-67e5-0310-9ffc-ced21a209358