server:reloadconf

* Added console command for login & char server **server:reloadconf** to reload some config values on login_athena.conf & char_athena.conf

/me slaps @lighta 
*Just because I hate to restart server just for little changes. Not that fancy, just I want to share that I have this that maybe useful for others* :stuck_out_tongue_closed_eyes:

Signed-off-by: Cydh Ramdh <house.bad@gmail.com>
we should add filename, as an option for reload, to be more flexible