Update freeciv-web to latest freeciv.org trunk revision.
Don't generate separate image for each tile any more.
Update to latest version of jQuery and jQuery UI.
Improvements to metaserver.
Some small changes to menu lebels
Update metaserver SQL definition, remove unused files.
Swap kill order, so that freeciv-web shuts down correctly.
Center html5 logo.
Improve unit controls, don't switch focus unit when still
moves left, and show correct unity activity for auto settlers.