Fix dependency versions, particularly Mahout 0.6 -> 0.7
Fix dependency versions, particularly Mahout 0.6 -> 0.7

git-svn-id: f7ac9ee3e7208fd97c9a3deb5e52ce295d20494a@159 0d189622-dca1-7e23-9e30-e8815eb7bd2f

myrrix/myrrix-recommender,myrrix/myrrix-recommender