[repository schema] FIXML file name

[rshriver]

It is proposed to remove the attribute FIXMLFileName that is part of the complex types categoryType and sectionType. It is no longer needed and blurs the lines between logical and physical meta-data for messages. The separate XSD schema for FIXML encoding can define the attribute FIXMLFileName. It is proposed to remove this attribute from Orchestra.

<xs:complexType name="sectionType">
  <xs:sequence>
    <xs:element name="annotation" type="fixr:annotation" minOccurs="0"/>
  </xs:sequence>
  <xs:attribute name="name" type="fixr:Name_t" use="required"/>
  <xs:attribute name="displayOrder" type="xs:int"/>
- <xs:attribute name="FIXMLFileName" type="fixr:Name_t"/>
  <xs:attributeGroup ref="fixr:entityAttribGrp"/>
</xs:complexType>

<xs:complexType name="categoryType">
  <xs:sequence>
    <xs:element name="annotation" type="fixr:annotation" minOccurs="0"/>
  </xs:sequence>
  <xs:attribute name="name" type="fixr:Name_t" use="required"/>
- <xs:attribute name="FIXMLFileName" type="fixr:Name_t"/>
  <xs:attribute name="componentType" type="fixr:CatComponentType_t"/>
  <xs:attribute name="section" type="fixr:Name_t" use="required"/>
  <xs:attribute name="includeFile" type="fixr:CatIncludeFile_t"/>
  <xs:attributeGroup ref="fixr:entityAttribGrp"/>
</xs:complexType>

The element FIXMLFileName from a FIXML encoding namespace orchFixml can then be attached as follows to a category in Orchestra.

<fixr:category name="Indication">
    <fixr:encodings>
        <fixr:encoding standard="FIXML">
+           <orchFixml:FIXMLFileName>indications</orchFixml:FIXMLFileName>
        </fixr:encoding>
    </fixr:encodings>
</fixr:field>