Upgraded ruby to 2.2.1
Upgraded ruby to 2.2.1

sanichi/icu_ratings_app,ninkibah/icu_ratings_app,ninkibah/icu_ratings_app,sanichi/icu_ratings_app,ninkibah/icu_ratings_app,sanichi/icu_ratings_app,ninkibah/icu_ratings_app,sanichi/icu_ratings_app,ninkibah/icu_ratings_app