Merge branch 't/audiod_exit_cleanup'

Cooked for two months.

* t/audiod_exit_cleanup:
  audiod: Clean up by notifying tasks.

diff --cc NEWS
index 6ff788bf06107d4c2d18c54b543ce775840b3583,40ab08a10cc59a8dd8849436feee4a669b5d972c..305d9147b2f0be1a3f02697be4a769fed2024449
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -1,18 -1,6 +1,19 @@@
  NEWS
  ====
  
 +-----------------------------------------------
 +0.5.4 (to be announced) "exponential alignment"
 +-----------------------------------------------
 +
 +      - Minor cleanups to daemon.c.
 +      - New URLs for home page and git services.
 +      - Improved error diagnostics for the mvblob commands.
 +      - New sender subcommand: status.
 +      - Improved help text for server and afs commands.
++      - audiod memory leak fixes.
 +
 +Download: ./releases/paraslash-git.tar.bz2
 +
  ---------------------------------------------
  0.5.3 (2014-08-01) "symbolic synchronization"
  ---------------------------------------------

diff --cc audiod.c
Simple merge

diff --cc audiod_command.c
Simple merge

diff --cc error.h
Simple merge