Change User association on Comment model#66

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luaybs wants to merge 10 commits intoelight:masterfrom buttercloud:master

+110-109

Commits on Mar 25, 2014

Change user association to a polymorphic commenter
luaybs
committed
fix syntax error and remove user_id index in migration
luaybs
committed
Update specs to support commenter polymorphic association instead of user association
luaybs
committed

Commits on Mar 26, 2016