[Server] Duel isolation. Incomplete.
[Server] Optionally drain force points when empowered. Fixes #20
[Server] Fix g_privateDuelHealth/g_privateDuelShield having no effect on the challenger
[Server] Merged some JPLua functions
Enabled crash handler for server and client
Don't check if localhost is banned. Show faulty IP strings
Added GPLv2 LICENSE.txt
Fixed crash handler on Linux 32 bit and client-side