diff README @ 2094:e906723ab99f

README: rework the intro

Less scary wording (similar to the wiki changes) and point to the user mailing
list.

--- a/README	Sat Mar 11 14:59:09 2017 -0800
+++ b/README	Mon Mar 13 15:09:21 2017 -0700
@@ -2,16 +2,22 @@
 Mutable History For Mercurial
 =============================
 
-This package supplies the ``evolve`` extension for Mercurial, which
-provides several commands to mutate history and deal with the
-resulting issues.
+This package supplies the ``evolve`` extension for Mercurial,
+
+**The full implementation of the changeset evolution concept is still in
+progress.**  Please subscribe to the `evolve-testers mailing list <https://www.mercurial-scm.org/mailman/listinfo/evolve-testers>`_ to stay up to date with changes.
+
+This extensions:
 
-It also:
+ * enables the "changeset obsolescence" feature of Mercurial core
+
+ * provides a set of commands to mutate your history,
 
-    - enables the "changeset obsolescence" feature of Mercurial
-    - issues several warning messages when trouble appears in your repository
+ * issues several warning messages when troubles from some mutable appears in
+   your repository,
 
-**This extension is experimental and not yet meant for production.**
+ * provides a ``hg evolve`` command to deal with such "troubles".
+   issues.
 
 You can enable it by adding the line below to the ``extensions``
 section of your hgrc::