Merge branch 'refs/heads/t/com_tasks'

cooking for almost a month.

diff --cc NEWS
index 87337d1c0b18b969e3d231a79aef2353ae6d68a6,305d9147b2f0be1a3f02697be4a769fed2024449..b945484b19fe4c3ae6276ad9088a1a71dc4b9558
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -5,8 -5,6 +5,9 @@@ NEW
  0.5.4 (to be announced) "exponential alignment"
  -----------------------------------------------
  
 +Another cleanup and bugfix release.
 +
++      - New server command: tasks.
        - Minor cleanups to daemon.c.
        - New URLs for home page and git services.
        - Improved error diagnostics for the mvblob commands.

diff --cc client.c
Simple merge

diff --cc command.c
Simple merge