use BiocStyle for vignette

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/cleaver@78802 bc3139a8-67e5-0310-9ffc-ced21a209358
add sessionInfo to vignette

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/cleaver@78803 bc3139a8-67e5-0310-9ffc-ced21a209358
Merge branch 'master' into local-hedgehog

Conflicts:
	Makefile
	NEWS

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/cleaver@78806 bc3139a8-67e5-0310-9ffc-ced21a209358
Merge branch 'master' into local-hedgehog

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/cleaver@78807 bc3139a8-67e5-0310-9ffc-ced21a209358
remove duplicated sessionInfo entries

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/cleaver@78819 bc3139a8-67e5-0310-9ffc-ced21a209358