added 1st imperial armor

- fixed tie fighter dismounting where the pilots weak legs shouldn't get hurt from jumping down a couple meters
- added atat head prop
- added 2 atat wrecks props

- added tie fighter
- added tie fighter stand prop
- added tie fighter wing holder prop
- added tie fighter body and wings props
- added tie crane
- tie fighter stand and wing holder has attributes to allow the mission maker to hide certain parts to add varity. Each one is set up to use custom tie textures.
- fixed the audio for the tie reaper and the tie guns to sound more accurate
- added ATAT prop

known issues
- ATAT doors has no audio
- pilot animation for the tie fighter doesn't sit properly

For modders
- tie fighter and tie reaper SPP files are available for retextures

fix the tie reaper cargo animations not working

fixed the view pilot for the snow trooper helmet

- fixed the e11 memory points being weighted wrong
- audio fixes for the e11

quick fix for the missiong breaking error message (i hope)
- moved the tie reaper sitting animation to the tie reaper folder
- moved the proxies for the tie reaper cargo further down to sit in the seat properly
- added snow trooper
- updated the texture for the imperial pilot