Remove All auth code from gametype scripts

Review this commit before merging the new auth to make sure all functionality
was reimplemented.
Remove Top callback handler
forgot some set lines
Handle maplist response in C
Remove last reference to Json
Now the last reference :)
Move playtime / race statistics into C
Store player's auth in RS_Player
Parse race from a race string
Add player login
Add register command
Report records
Increment races on finish
Fix maplist argument parsing
Add vote permissions