Merge pull request #55 from ledgersmb/master

sync over master branch
mfg_lot_item numbers have already been multiplied by lot size; don't do it again.
(grafted from 57aafcbff69b80c61c26d40f2877af99b8a7bc31)

--HG--
extra : source : 57aafcbff69b80c61c26d40f2877af99b8a7bc31
Merge pull request #260 from ehuelsmann/master

Merge lot item multiplication fix.