testcases for RecommenderXBlock

This involves moving from edx-private to github

requirements/edx/edx-private.txt

@@ -13,7 +13,3 @@
 -e git+https://github.com/pmitros/AnimationXBlock.git@d2b551bb8f49a138088e10298576102164145b87#egg=animation-xblock
 -e git+https://github.com/pmitros/ProfileXBlock.git@4aeaa24aa2bc7d9cb2d2bb60d6f05def3b856be0#egg=profile-xblock
 
-# This XBlock shows a list of recommendations. 
-# It is an R&D prototype, intended for roll-out one location in one course. 
-# It should not be used without learning sciences support in the current state. 
--e git+https://github.com/pmitros/RecommenderXBlock.git@b4f3596d095d88bb4540f0d04ab81836d84edc98#egg=recommender-xblock

requirements/edx/github.txt

@@ -35,3 +35,4 @@ git+https://github.com/mitocw/django-cas.git@60a5b8e5a62e63e0d5d224a87f0b489201a
 -e git+https://github.com/edx/i18n-tools.git@56f048af9b6868613c14aeae760548834c495011#egg=i18n-tools
 -e git+https://github.com/edx/edx-oauth2-provider.git@0.4.0#egg=oauth2-provider
 -e git+https://github.com/edx/edx-val.git@ba00a5f2e0571e9a3f37d293a98efe4cbca850d5#egg=edx-val
+-e git+https://github.com/pmitros/RecommenderXBlock.git@b41ba8778b98da0ea680ffb8bbc59492d669df2d#egg=recommender-xblock