More multiplayer progress #2

Another step further to completing the multiplayer side of the game. Of course, more game features will be added afterwards and bugs will still be present. Multiplayer features added to the [b]multiplayer_testing[/b] beta branch [list] [*] Lobby searching [*] Lobby privacy settings [*] Spectate players after you die [*] Game quits back to the lobby after everyone is dead (possible bugs added here) [*] Nametags above players' ships [*] Made adjustments to how custom ships are uploaded and imported. It now uses json to store data instead of xml. [/list]