frontlib improvements: - Added README with overview documentation - Improved code documentation/comments - Added flib_gameconn_send_quit to gracefully exit a running game - Changed the type of some size variables to size_t - Fixed starting a mission/training sending the mission script like a multiplayer script - Removed reference counters from flib_scheme and flib_map - Removed INGAME state from netconn (there is no useful difference to ROOM state) - Added extras/jnacontrol.c to warn when functions signatures used by Hedgeroid change - Other small code improvements

<?xml version="1.0" encoding="UTF-8"?>
<weapon>
    <name>Shoppa</name>
    <QT>
    000000990000000000000000000000000000000000000000000000
    </QT>
    <probability>
    444441004424440221011212122242200000000200040001001111
    </probability>
    <delay>
    000000000000000000000000000000000000000000000000000000
    </delay>
    <crate>
    111111111111111111111111111111111111111110110111111111
    </crate>
</weapon>