Allow just a classname as argument to ItemFactory.
Allow just a classname as argument to ItemFactory.



Former-commit-id: 07f8136ce0add6855c259a325e936bd06b0ef056
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine