Add support for plugin options in login server config.
Add support for plugin options in char server config.
Add support for plugin options in char server config (inter-server.conf).
Add support for plugin options in map server config (inter-server.conf).
Add support for plugin options in map server config (logs.conf).
Add support for plugin options in map server config (script.conf).
In char server move config options handling by plugins into char_config_dispatch.
In login server move config options handling by plugins after all other handling.
Merge pull request #389 from 4144/confplugins

Add support for plugin parameters in different config files (before was only battle config)