Log Message:
Update ruby-vapor package to 0.81 migrating to use new framework.

Version 0.81 (tagged 22 Nov 2003, revision 279)

Bug Fixes:
 * correct mistake in Usage Example, operator for wildcard searching
   is ~, not =
 * raise proper errors on various methods of Persistable when no
   PersistenceManager is available, instead of NoMethodError

Version 0.80 (tagged 19 Nov 2003, revision 275)

Features:
 * transaction logging, record information about time, committer and log
   message as well as list of objects modified per transaction
 * basic versioning support, retrieval of historic object states
 * vaporadmin: removal of classes and all their instances using the \ 
"remove" command
 * vaporadmin: modification of class' metadata using the "update" command
 * new operator (~) for wildcard searches on Strings

Bug Fixes:
 * allow SQL keywords as names of persistent attributes
 * fix bug where camelCase variables would not be correctly set on object loading
 * correctly transfer newly persistent objects back to transient state during
   rollback(). This bug caused incomprehensible ObjectDeletedErrors when manually
   or automatically rolling back.
 * check REXML::Version instead of REXML::VERSION_MAJOR, which does not exist
   in the REXML version that is included in Ruby 1.8
 * minimize number of warnings issued when using `ruby -w', including those
   from Ruby 1.8.x, that are issued regardless of -w

Incompatible Repository Changes: (Repository needs to be recreated from scratch)
 * repository schema version 3
 * add fields and tables for versioning