[Jdo Wiki] Update of "ChangeLog" by CraigRussell

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The following page has been changed by CraigRussell:
http://wiki.apache.org/jdo/ChangeLog

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  = This is the list of changes for maintenance of JSR-243. =
  == PROPOSED ==
- none
+  1. Allow multiple fields (properties) to be used for ordering persistent Lists or Maps. 
+ 
+  1. Specify the behavior at flush time if the user has inserted elements or entries out of order in ordered fields (properties).
+ 
+  1. Allow the user to create fetch groups dynamically.
+ 
+  1. Require {{{SingleFieldIdentity}}} classes to implement {{{Comparable}}} so they can be used in non-persistent ordered Set or Map instances.
+ 
+  1. Add {{{ReadOnly}}} to {{{PersistenceManagerFactory}}} to allow fail-fast on applications that use a read-only data store.
+ 
+  1. Provide a way to specify the isolation level of connections used for a {{{PersistenceManagerFactory}}}.
+ 
+  1. Add an invocation API for a run-time enhancer. This allows for a standard command-line tool and standard IDE plugins for enhancement.
+ 
  
  == ACCEPTED ==