involve the community to the process of releases

In software engineering the releasing process is an important step.  Since most
contributors are comfortable enough with the submitting patches process, it is
good time to involve everybody to the releasing one.

Introduce the Changelog file to rely on it. It is the good place to put topics
not already released.

This way, releases benefit from the review of others in the same way we do for
patches.

Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>

Changelog.rst

@@ -0,0 +1,97 @@
+=========
+ChangeLog
+=========
+
+**NOTE FROM THE MAINTAINER:**
+  Contributors should use the `WIP` section in order to add changes they are
+  working on. I will use it to make the new changelog entry on releases. And
+  because I'm lazy, it will also be used as a draft for the releases announces.
+  Users should skip the `WIP` section: **it is a draft**.
+
+
+`WIP (coming releases)`
+=======================
+
+Notes
+-----
+
+New Features
+------------
+
+Changes
+-------
+
+Bug Fixes
+---------
+
+
+
+OfflineIMAP v6.3.2-rc1 (2010-12-19)
+===================================
+
+We are beginning a tests cycle. If feature topics are sent, I may merge or
+delay them until the next stable release.
+
+New Features
+------------
+
+* Primitive implementation of SSL certificates check.
+
+Changes
+-------
+
+* Use OptionParser instead of getopts.
+* Code cleanups.
+
+Bug Fixes
+---------
+
+* Fix reading password from UI.
+
+
+OfflineIMAP v6.3.1 (2010-12-11)
+===============================
+
+Notes
+-----
+
+Yes, I know I've just annouced the v6.3.0 in the same week. As said, it
+was not really a true release for the software. This last release
+includes fixes and improvements it might be nice to update to.
+
+Thanks to every body who helped to make this release with patches and
+tips through the mailing list. This is clearly a release they own.
+
+Changes
+-------
+
+* cProfile becomes the default profiler. Sebastian Spaeth did refactoring to
+  prepare to the coming unit test suites.
+* UI output formating enhanced.
+* Some code cleanups.
+
+Bug Fixes
+---------
+
+* Fix possible overflow while working with Exchange.
+* Fix time sleep while exiting threads.
+
+
+OfflineIMAP v6.3.0 (2010-12-09)
+===============================
+
+Notes
+-----
+
+This release is more "administrative" than anything else and mainly marks the
+change of the maintainer. New workflow and policy for developers come in.  BTW,
+I don't think I'll maintain debian/changelog. At least, not in the debian way.
+
+Most users and maintainers may rather want to skip this release.
+
+Bug Fixes
+---------
+
+* Fix terminal display on exit.
+* netrc password authentication.
+* User name querying from netrc.

Makefile

@@ -37,10 +37,11 @@ clean:
 man:
 	@$(MAKE) -C docs man
 
-doc: 
+doc:
 	@$(MAKE) -C docs
 	rst2html.py README.rst readme.html
 	rst2html.py SubmittingPatches.rst SubmittingPatches.html
+	rst2html.py Changelog.rst Changelog.html
 
 targz: ../$(TARGZ)
 ../$(TARGZ):