Replays should know what server they're available at

[allejo]

Replay entities should know what bzfs server they are available at.

• A new Server entity should be created and have the Replay entity as a foreign key. This way, if the server moves or changes addresses, it only has to be updated in one location. This entity should have the following fields
  • Hostname
  • Port (what port is the replay server located at, NOT what server did this match take place on)
  • Owner (a user's BZID, make this an int for now)
• Add new commands to support the following:
  • Creating a new Server instance and have a walk through of inputting information
  • Modify app:replay:import and add a new CLI flag that lets you specify a Server ID; e.g. --replay-server