Add user recommendations
Add stubbing to recommender test
Add updated CHANGELOG and version
Merge pull request #61 from iHiD/add_user_recommendations

Add user recommendations
Fixes for user recommendations.
Merge pull request #62 from malcyL/malcyl-fixes-for-user-recommendations

Fixes for user recommendations.
Fix users for collection topic.
Merge pull request #63 from malcyL/malcyl-fix-collection-topic-users

Fix collection topic users
Add collection to topics
Merge pull request #64 from iHiD/add_collection_to_topics

Add collection to topics
Add slug to collections
Merge pull request #65 from iHiD/slug_in_collection_serializer

Add slug to collections
Sub out friendships for user_follow
Add follower_badge
Add connections
Merge pull request #66 from meducation/following

Add friendships and connections
Add Contribution.
Merge pull request #67 from malcyL/malcyl-add-contribution

Add Contribution.
Added user email preferences.
Merge pull request #68 from malcyL/malcyl-add-user-email-preferences

Added user email preferences.