November 10th update

* autozoom / autoaim / hud settings and control settings are now saved as part of the save slot
* mod authors can now create a file "credits.txt" in the "data" directory to get on the credits page. One author per line.
* fix memory corruption bug
* fix "fleetpalette 8". console commands that used to accept only faction numbers now accept faction names as well.
* update xcode and visual studio versions
* some minor block description / localization tweaks