Overhaul feed (#239)

* Initial WebSockets Hello World

* Implement feed endpoint

* Essential feed components implemented

* Fix incorrect join usage

* Nuke Dropped

* Implement web sockets

* Comment out debug code

* Trying something

* Trying something else...

* Attemping to get WebSockets to work from heroku

* Trying again

* Trying again

* Implement filter by date for feed

* Send message on update post

* Fixes implemented

* Fix response after posting a campaign

* Expand query parameters for feed

* Modify feed to be date based instead of index-based

* Remove unrelated code

* Fix feed issues

* Improve time comparison logic

Overhaul feed (#226)

* Initial WebSockets Hello World

* Implement feed endpoint

* Essential feed components implemented

* Fix incorrect join usage

* Nuke Dropped

* Implement web sockets

* Comment out debug code

* Trying something

* Trying something else...

* Attemping to get WebSockets to work from heroku

* Trying again

* Trying again

* Implement filter by date for feed

changed start script to not use nodemon (#223)

added Procfile for automated database migrations (#221)