[sldev] New Scripting Functions

[Argent Stonecutter]

1. llDetectedTouchFaceUV
2. Extensible prim params (key-value)
3. llSetLinkPrimitiveParams with a link list
4. llGETLinkPrimitiveParams -- how could that be missing?
5. llReturnObject

Also... llTeleportAgent() was suposed to be in 1.8(1) and  
llSetSculptTextureAnim() or llSetPrimitiveParams 
([SCULPT_TEXTURE_ANIM,integer x, integer y, integer start, integer  
end, float rate]);