Sync llcommon with Alchemy a bit.

llmath::llround->ll_round
LL_ICC->LL_INTELC
Add llpredicate
Add LL_CPP11 macro
Remove llhash
Update llinitparam, llsd and all relatives of it.

indra/newview/lldrawable.cpp

@@ -812,7 +812,7 @@ void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
 		}
 
 		pos -= camera.getOrigin();	
-		mDistanceWRTCamera = llmath::llround(pos.magVec(), 0.01f);
+		mDistanceWRTCamera = ll_round(pos.magVec(), 0.01f);
 		mVObjp->updateLOD();
 	}
 }