[mr3008] fix wrong expression from 2997 - in *nix SYSCONFDIR setted from command line (possible in win also, but don't sure). with 2997 core cannot find ahbot.conf/scriptdev2.conf
[12430] Implement spells 50630, 70623 and 70638
Merge branch 'master' of git://github.com/mangosR2/mangos