consolidate rar metadata for dtd 1.0 and xsd 1.5

1.0:
<!ELEMENT connector (display-name, description?, icon?, vendor-name,
spec-version, eis-type, version, license?, resourceadapter)>
<!ELEMENT resourceadapter (
managedconnectionfactory-class, connectionfactory-interface, connectionfactory-impl-class, connection-interface, connection-impl-class, transaction-support, config-property*, authentication-mechanism*, reauthentication-support, security-permission* )>

1.5:
<!ELEMENT connector (description*, display-name*, icon*, vendor-name,
eis-type, resourceadapter-version, license?, resourceadapter)>
<!ELEMENT resourceadapter (resourceadapter-class?, config-property*,
outbound-resourceadapter?, inbound-resourceadapter?, adminobject*, security-permission*)>
<!ELEMENT outbound-resourceadapter (
connection-definition+, transaction-support,
authentication-mechanism*, reauthentication-support)>
<!ELEMENT connection-definition (
managedconnectionfactory-class, config-property*,
connectionfactory-interface, connectionfactory-impl-class,
connection-interface, connection-impl-class)>