revlog: consolidate cache invalidation within the inner objet
The invalidation of data that belong to the inner object can and should be
delegated to the inner object.
= Mercurial XXX =
== New Features ==
== Default Format Change ==
These changes affect newly created repositories (or new clones) done with
Mercurial XXX.
== New Experimental Features ==
== Bug Fixes ==
== Backwards Compatibility Changes ==
* remove the experimental infinite push extension
== Internal API Changes ==
== Miscellaneous ==