Tighten up POM to require Maven 3.0, since it already requires plugins that do

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@628 0d189622-dca1-7e23-9e30-e8815eb7bd2f
Move to slightly more standard Maven version numbering: x.y.z-foo-w

git-svn-id: http://myrrix-recommender.googlecode.com/svn/trunk@629 0d189622-dca1-7e23-9e30-e8815eb7bd2f