RS485/LogisticsPipes — pull request #534 by AartBluestoke (2013-02-17 15:50:30+00:00)
Title: mostly 4d7b29f for #533

also 2 minor cpu improvements ; cost of finding the destination for an object reduced significantly; 1300 pipe network now has 0.4% background cpu usage for rechecking inventories and network on a 1.6 Ghz cpu.

buildcraft power transport typically uses more cpu than the rest of logistics.