evolve: add function to deprecate an alias When cleaning up the UI for evolve we will deprecate old aliases, but still want them to work for a while. This is a helper function that will be called during the extension setup and has the ability map an old alias to a new or canonical one.

evolve: downcase first word in module doc This makes the output of hg help consistent with the other extensions.

evolve: active bookmark should move when using prev/next (#37) The #37 references the bitbucket issue for mutable-history, that can be found here: https://bitbucket.org/marmoute/mutable-history/issue/37/