bug fixes to bumphunter method for genomicratiotest. changed cutoffQ to pickCutoff and pickCutoffQ. Changed defauls smoother from loess to locfit. changed default type from M to beta. updated help file

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/minfi@89592 bc3139a8-67e5-0310-9ffc-ced21a209358