Resolve "Real time collaboration"

Closes #151 (closed)

TODO

• Core real time.
• Database real time.
• Update the install on Ubuntu docs.
• Add web socket docs
• Test demo environment.
• we might want tasks to expire after x amount of seconds.
• do something when the users connects for the second time $realtime.connect.
• do something when the socket connection fails.
• If you switch page when failing to connect it keeps connecting.
• Add the ability to disable the real time communication.
• Check what happens when you create an account. We might want to include the option to not broadcast the event.