move namespace URI definitions fro attribute tables

1.4.1 Use of XML Namespaces XJDF requires the use of XML namespaces. For details on using namespaces in XML, see  [XMLNS] . The namespace for this version 2.0 of XJDF is "http://www.CIP4.org/JDFSchema_2_0" and SHALL be declared and SHOULD use either the default namespace or a prefix of 'xjdf'. In a number of places XJDF allows for the use of items from a foreign namespace. If the instance contains such items then the foreign namespace SHALL be declared. 1.4.3 Schema and XJDF Context. ... Both schemas are defined for the XJDF namespace : http://www.CIP4.org/JDFSchema_2_0 . The namespace prefix for elements that are defined in the XJDF namespace should be one of ‘xjdf’ or no prefix, i.e. the default namespace. For convenience the latest schema implementation can be found online as shown in the following table. Conforming XML documents NEED NOT use this in an xsi:schemaLocation attribute. Table 3.1: XJDF xmlns ... ... <and ptk and jdf>