CIB: Revise version changes
- Update XML_ATTR_NUMUPDATES when anything changes
- Update XML_ATTR_GENERATION when the config (not the status) changes
- Reset XML_ATTR_NUMUPDATES when the config (not the status) changes
- No longer bump XML_ATTR_GENERATION during the join process
Mercurial revision: cf3bd2efa202cc89837898baa094081bf2a3c72d