Add SetAmmoDescriptionAppendix to Lua API, see
issue #82
Make SetAmmoTexts update ammo menu weapon name, too
Lua API warning: SetAmmoTexts can not be called in onGameInit
Add Lua API function SetAmmoTexts (see
issue #82)
Force TechRacer maps when image map is selected. Fixes
Google Code issue #882
If you start a TechRacer map with an image map selected, the resulting map will likely to be completely unplayable.
So this commit disables this.