post model: added public and created_at
post model: added structured_content
post model: updated_at column
crsf: moved to forms to exempt logout
helpers: added jsonify and improved create_user
post controller: get user's posts
post model: format dates properly
pyvly's jsonify is awesomesauce
post model: retrieve a user's post
load a user's post
return permissions for post
post controller: update posts
posts: add, edit, delete