Added config_lookup_string_char to libconfig
Added new inter-server.conf format
Switched char-server's inter-server.conf to libconfig
Changed subnet to new format
Updated subnet parsing in both char and login server
Changed inter-server.conf structure
Updated common/sql.c parsing mechanism to comply with new inter-server.conf
Updated inter-server.conf structure
Updated map-server inter-server.conf parser to comply with new standard
Corrected small typo in sql.c