Merge branch 'release/v0.2.2' into dev
Merge branch 'master' into dev
Refactored Recommender methods, fixed bug in similar_items
Merge branch 'master' into dev
renaming methods
Adding redis cache
Abstracting redid cache into a separate class, added caching to all recommender methods.
Merge branch 'dev' of github.com:daifu/jruby_mahout