adding comments model and migrations
adding comments to post
merging latest develop, resolving conflicts
adding to schema
adding comment views
adding routes and paths
adding api controller
getting comment results to return json data
Merge branch 'comments' into develop

* comments:
  getting comment results to return json data
  adding api controller
  adding routes and paths
  adding comment views
  adding to schema
  adding comments to post
  adding comments model and migrations