for now delete line 2 of post_form_snippet.html. this eliminates errors but means that new posts being written on an existing post page will be prepopulated with the existing post information
finished moving Post over to MongoEngine. Now trying to debug post_form_snippet use of post in conflict with pages that already have a prepopulated post
working post/submit_post duality everywhere except posts/dfgfdg/edit
working posts everywhere
updated commentsdb, mentionsdb, and userdb haven't had time for much testing yet
merged in mongoengine-zander work that zander did on updating mongoengine changes on sept 11 2014