* bugfix for issue 164
* mu4e: when erasing buffer, nullify view-message too; fixes #395
* mu4e: workaround; limit subject to 600 chars (thanks to Toni Reina); fixes #394.
* mu4e/mu4e-contrib.el: Add bookmark handlers for mu4e.
Merge pull request #401 from thierryvolpiatto/master

* mu4e/mu4e-contrib.el: Add bookmark handlers for mu4e.
* mu: store date as 0 if it does not exist; this allows searching