edits to v2interface.  updates through rupdateTau2RDDelta

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/XDE@74317 bc3139a8-67e5-0310-9ffc-ced21a209358
fixing conflicts in no-ff merge with collab branch

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/XDE@74327 bc3139a8-67e5-0310-9ffc-ced21a209358