fixing validation of ship field so they are only required if copy_address is False
fixing validation of ship field so they are only required if copy_address is False

--HG--
extra : convert_revision : svn%3Aa38d40e9-c014-0410-b785-c606c0c8e7de/satchmo/trunk%401986

twidi/satchmo,dokterbob/satchmo,dokterbob/satchmo,ringemup/satchmo,ringemup/satchmo,Ryati/satchmo,Ryati/satchmo,twidi/satchmo