Removed minSize dimension from data matrix writer to prevent "Can't find a symbol arrangement that matches the message" exceptions.
Removed minSize dimension from data matrix writer to prevent "Can't find a symbol arrangement that matches the message" exceptions.

peacemoon/ZXingObjC,rkpant/ZXingObjC,benjohnde/ZXingObjC,rkpant/ZXingObjC,tejesh-alimilli/ZXingObjC,trsathya/ZXingObjC,cortices/ZXingObjC,trsathya/ZXingObjC,TheLevelUp/ZXingObjC,benjohnde/ZXingObjC,cortices/ZXingObjC,tejesh-alimilli/ZXingObjC,peacemoon/ZXingObjC,TheLevelUp/ZXingObjC