maxOccurs="unbounded" for identifier in OvProductType and OvagentType
maxOccurs="unbounded" for TEL in OvcontactType
LocatorDesignator in OsloAddressType made optional (minOccurs="0")
Merge pull request #4 from Schaubroeck/patch-2

LocatorDesignator in OsloAddressType made optional (minOccurs="0")
Merge pull request #3 from Schaubroeck/patch-1

Allow multiple identifiers in OvProductType and OvagentType and allow multiple TEL values in OvcontactType