testing delete friends things. No major changes.
Merge branch 'master' of https://github.com/Solanar/CMPUT410-Project
Created CommentListMixin
  - generates list of comments for a given post
  - requires the post object be given in kwargs as ['post']

Creates resource for posting a comment to a post
minor style changes
Merge branch 'master' of https://github.com/Solanar/CMPUT410-Project
Merge branch 'master' into Comments
Finalized post comments functionality
  - for now it redirects to /posts/{POST_GUID}/comments... but that doesn't totally work just yet
     - but the object does get created
     - can be viewed by going to /posts/{POST_GUID}/comments
fixed post/{POST_GUID}/comments url