PumpCharacterUpdate() works from lua to client, read more

There was a bug in the entity API, where getMotion() was pushing the
origin instead of the motion. This has been corrected. Since this is an
important bug, and because the features for this leg is finished, I'll
merge this to master.

server/entities/entity_api.cpp

@@ -56,8 +56,8 @@ static int getOrigin(lua_State* L) {
 
 static int getMotion(lua_State* L) {
 	Entity* entity = static_cast<Entity*>(lua_touserdata(L, 1));
-	lua_pushnumber(L, entity->GetOrigin().x);
-	lua_pushnumber(L, entity->GetOrigin().y);
+	lua_pushnumber(L, entity->GetMotion().x);
+	lua_pushnumber(L, entity->GetMotion().y);
 	return 2;
 }