UFO:Alien Invasion Code

* Upgraded grenade launcher texture to 512x512 pixel, better quality texture without jpg artifacts for the grenade launcher clip

* removed exif headers from jpgs

* use the trunk base content

* delete the base to allow to copy the trunk one

* fixed timed firemodes (impact particle on every bounce)
* fixed texture paths for grenl clips (could not find clip.jpg messages)

* Deleted some unchanges stuff after talk with mattn.

* new weapons from lukas
TODO: Need to put these in the weapons.ufo and export them to md2