Day1 roll-up:

* Hackjob fixes for localization bugs just to get something working available to European users (need to revisit this)
* Added null check on tcpClient to disconnectClient() to address (some) reports of crashes (not done)
* Fixed server crashes if unable to write universe to disk
* Player names are now sanitized on the server side
* Server hostname input is now trimmed
* Switched default httpPort to 8081
* Partial fixes for craft-sharing issues (in progress)