Add beginnings of self-exec code
Add upgrade into standard locations
Clarify hook function prototypes
Burst some stuff (incorrectly)
Store TS of channel creation, and reassign second arg of u_chan_modes
Add more fields to u_user, adjust things appropriately
Send SVINFO and end-of-burst PING in burst
Add burst_uid (unused)

Servers are required to have the EUID capability before bursting is
allowed to happen.
Add c_server.c with mostly unimplemented commands