Stub for registration command handling in server

First draft of handling registration requests

WIP (will be rebased)

clean up bad imports (rebase this later)

Finish checkUserIsBanned method

Add username validity check

Check servatrice registration settings

WIP

Finish(?) server side of registration

Needs testing

Fix switch case compile failure

I have no idea why I have to do this

WIP for registration testing python script

Stub register script initial attempt

Rearrange register script

First try at sending reg

register.py sends commands correctly now

Add more debug to register.py

Pack bytes the right way - servatrice can parse py script sends now

register.py should be working now

Parse xml hack correctly

Log registration enabled settings on server start

Insert gender correctly on register

Show tcpserver error message on failed gameserver listen

Fail startup if db configured and can't be opened.

TIL qt5 comes without mysql by default in homebrew...