fix missing models

Added hivehand (no c_hands)

None Provided

Extend egon tracer

Cleanup

Fixes

Fix tau pickup sound
Fix tau core did not spin during regular attacks

Added ricochet to tau cannon (wall penetration next time)
Improved weapon behavior, now it acts more like weapons from the original game

Gluon now deal damage to owner if it fires too close to walls

Also pickup animations now plays only one time per round

Fix typo

Cleanup