Migrated away from user files

Ok this is a big one. I’ve migrated away from the user files completely
and also created a way to update your secret and pubkey from the
settings panel.

Caveats:
- If you change your key using the UI then you need to bounce the
server at this point to reconnect to peers
- I’m sure the dev stuff is screwed up if you try to load multiple
markets from the same server. (Working on it)
- Other weirdness may be occurring but I will test and resolve soon