improved control panel

improved control panel

added a new “players” tab:

• display a list of players online
• display of skins in this tab - Ely.by (https://ely.by/) or Official (to choose from)
• player management: changing game mode, issuing OP, kicking and banning

in the “settings” tab the following is now available:

• basic server parameters

minor but critical bugs have also been fixed.