Add todo
Update to rails 4.

Haven't fixed any warning yet.
Specify version for heroku.
Trying to switch to puma.
Fixing assets on heroku
Serve assets.
Trying out sockets on heroku
Fix procfile.
Cleanup
Push changes using websocket.
Using the recommended setup.
Adding next todo.
Revert "Using the recommended setup."

This reverts commit 311913f1acf62147d2f481791d6f965791993073.
Todos
Loosing connection after a while, trying out pings.
Fixing ping.
Add a layer of security for sockets.

Only allow setting up a socket if the user has recently visisted the
projects index.
Does not work on heroku for some reason. Revert "Add a layer of security for sockets."

This reverts commit 1606a850db0994de527e920f18c76be0898beb06.