URL: http://bugs.freeciv.org/Ticket/Display.html?id=40512
Attached patch greatly expands tooltips and fixes a few
that were not being shown because their widget needed to
be in an event box.
Also, widget layout was improved in the property editor,
and the close button was moved to the tab
URL: http://bugs.freeciv.org/Ticket/Display.html?id=40513
If a user tries to set a player's nation to one already assigned
to a different player via the property editor, then an assertion
fails in the server. Attached patch fixes this by disallowing
setting of already assigned nations on the
