Tagged as 1.1.8. Removed dependeces to cba, scrime and pegas. PCoA is now performed using dist()  and cmdscale() from package stats. This yields the same PCoA coordinate pattern although with different scale, so numbers seem different. Candidate version to be uploaded to CRAN

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/msap@42 edb9625f-4e0d-4859-8d74-9fd3b1da38cb