clean up table

Converted to grid table, so that emacs table mode can recognize and
work with it.

Added logos, cleaned up titles.

doc/dev-status.rst

@@ -1,19 +1,37 @@
 Autocrypt-capable MUAs level 1 implementation status
-=====================================================
+====================================================
 
 Last updated: ``2017-11-03``
 
-================= ======== ======== ======== ======== ======== ======== ======== ======== ========
- MUA/feature      header   keygen   peer     header   recommen encrypt  setup    setup    uid
-                  parsing           state    inject   dation            message  process  decorat
-================= ======== ======== ======== ======== ======== ======== ======== ======== ========
- `delta-chat`_    y        y        y        y        y        y        started  y        y
- `k9`_            y        y [1]_   y        y        y        y        branch   branch   y
- `enigmail`_      y        y        y        y [2]_   n        y        y        y        n
- `py-autocrypt`_  y        y        y        y        n        n        n        n        y
- `notmuch`_       y        n        n        n        n        n        n        n        y
- `mailpile`_
-================= ======== ======== ======== ======== ======== ======== ======== ======== ========
++--------------------------------------+--------+--------+--------+--------+--------------+--------+--------+--------+----------+
+|MUA/feature                           |header  |keygen  |peer    |header  |recommend     |encrypt |setup   |setup   |uid       |
+|                                      |parsing |        |state   |inject  |during compose|        |message |process |decorative|
+|                                      |        |        |        |        |              |        |        |        |          |
++======================================+========+========+========+========+==============+========+========+========+==========+
+|.. image:: images/logos/deltachat.png |y       |y       |y       |y       |y             |y       |started |y       |y         |
+|                                      |        |        |        |        |              |        |        |        |          |
+|`delta.chat`_                         |        |        |        |        |              |        |        |        |          |
++--------------------------------------+--------+--------+--------+--------+--------------+--------+--------+--------+----------+
+|.. image:: images/logos/k9.png        |y       |y [1]_  |y       |y       |y             |y       |branch  |branch  |y         |
+|                                      |        |        |        |        |              |        |        |        |          |
+|`K-9 Mail`_                           |        |        |        |        |              |        |        |        |          |
++--------------------------------------+--------+--------+--------+--------+--------------+--------+--------+--------+----------+
+|.. image:: images/logos/enigmail.png  |y       |y       |y       |y [2]_  |n             |y       |y       |y       |n         |
+|                                      |        |        |        |        |              |        |        |        |          |
+|`Enigmail`_                           |        |        |        |        |              |        |        |        |          |
++--------------------------------------+--------+--------+--------+--------+--------------+--------+--------+--------+----------+
+|`py-autocrypt`_                       |y       |y       |y       |y       |n             |n       |n       |n       |y         |
++--------------------------------------+--------+--------+--------+--------+--------------+--------+--------+--------+----------+
+|.. image:: images/logos/notmuch.png   |branch  |n       |n       |n       |n             |n       |n       |n       |y         |
+|                                      |        |        |        |        |              |        |        |        |          |
+|`notmuch`_                            |        |        |        |        |              |        |        |        |          |
++--------------------------------------+--------+--------+--------+--------+--------------+--------+--------+--------+----------+
+|.. image:: images/logos/mailpile.png  |        |        |        |        |              |        |        |        |          |
+|                                      |        |        |        |        |              |        |        |        |          |
+|`mailpile`_                           |        |        |        |        |              |        |        |        |          |
++--------------------------------------+--------+--------+--------+--------+--------------+--------+--------+--------+----------+
+
+Logos are copyright their respective owners.
 
 .. todo::
 
@@ -24,9 +42,9 @@ Legend:
 .. [1] require passphrase
 .. [2] always send
 
-.. _delta-chat: https://delta.chat
-.. _k9: https://k9mail.github.io/
-.. _enigmail: https://www.enigmail.net
+.. _delta.chat: https://delta.chat
+.. _K-9 Mail: https://k9mail.github.io/
+.. _Enigmail: https://www.enigmail.net
 .. _py-autocrypt: https://py-autocrypt.readthedocs.io/
 .. _notmuch: https://notmuchmail.org/
 .. _mailpile: https://www.mailpile.is/
@@ -36,7 +54,7 @@ For developers
 
 Source code:
 
-- `py-autocrypt code <https://github.com/autocrypt/py-autocrypt>`_`
+- `py-autocrypt code <https://github.com/autocrypt/py-autocrypt>`_
 
 - `Enigmail code <https://sourceforge.net/p/enigmail/source/ci/master/tree/>`_
 
@@ -55,7 +73,7 @@ Source code:
 Autocrypt bot
 +++++++++++++++
 
-Implemented using py-autocrypt.
+Implemented using `py-autocrypt`_.
 
 Responder
 ~~~~~~~~~~