UFO:Alien Invasion Code

* Removed unnecessary glcmds from the md2 models

* Fixed model issues reported by ufomodel -check (mainly minor issues like redundant extensions and other skin path issues)

* Fixed skinpaths

* Rotated geoscape missile models by 180 degrees (around the y-axis)

* removed glcmds from md2 files (to reduce the filesize)

* use the trunk base content

* delete the base to allow to copy the trunk one

* remodelled and reexported missile.md2

* reexported missile geoscape model

* scaled the missile model down