[evolution:evolve] use short hex instead of rev number

docs: Small tutorial

[evolution:amend] prevent amending immutable changeset.

[evolution:relocate] propertly interpred src and destination.

[states] do not activate deactivated state with ``hg states --off <state>`` previously: $ hg init alpha $ cd alpha $ hg states --off draft $ hg states published draft now: $ hg init alpha $ cd alpha $ hg states --off draft $ hg states published

[obsolet] base64 encore obsolete rel for pushkey Yop this is ugly

[evolution] first workign draft of a relocate function The relocate function is a lighter rebase.

[evolution/obsolete] very experimental and crude evolve support.

[obsolete] code section comment for repo subclassing

[obsolete] vocabulary update suggestion

[obsolete] rebase always keep changeset.

Compat with mercurial 1.9.2

[evolution] imported hg amend from parren works (this rocks heavily)

Basic kill command

[obsolete] add kill support

[obsolete] issue a warning when parent of current directory is obsolete.

[states] add some documentation for extension wrapping

[states] update qimport code so it doesn't fails on qimport without -r

mention plan for hook in the documentation

[obsolete] published changeset can't be obsoleted states extension is now required. A warning message is emitted when obsoleting a published changeset.

[obsolete] update docstring

[obsolete] remove useless code.

[obsolete] rationalize doc header.

[obsolete] Move extension compat code

[obsolete] extract serialization logic.

[obsolete] update doc

[state] Update doc on the mutable property of state (and the way it's implemented)

[state] add mutable property to state object.