How should we go about changing the replication factor and other keyspace settings now that it and other KSMetaData are no longer managed in cassandra.yaml?

I found makeDefinitionMutation() in the Migration class and see that it is called for the other schema migrations.  There just seems to be a big gap in the management API for the KSMetaData we might want to change.
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Andres March
amarch@qualcomm.com
Qualcomm Internet Services