-Fixed some bugs with chat parsing

-Added new chat command "/gui" that will open up the main GUI again on the server if running in interactive mode
-Tweaked the resource locking code when refreshing sector entities
-Fixed bug with GUI dialogs

-Fixed bug with resource dead-locking a bit more
-Fixed cube grid dampeners status broadcasting
-Fixed bug with GUI timers still running after GUI is closed
-Cleaned up some debugging messages
Merge branch 'master'