[Schema refactoring] OidRegistry, 2

[Emmanuel Lecharny]

Well, after a second thought, the OidRegistry is useless. We can use the 
SO registries instead of the unique OidRegistry, as we laready have a 
way to find a SO from its OID using this data structure. We just have to 
extend it by adding a name->SO to be able to cover the same 
functionalities offered by the current OidRegistry.

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cordialement, regards,
Emmanuel Lécharny
www.iktek.com
directory.apache.org