Merge branch 't/audiod_cleanups'

Was cooking for ~2 weeks

	1ff4b2 audiod: Don't compute stat info unnecessarily.
	d80f5d audiod: Force status dump every 5 seconds.
	e34e5f audiod: Improve status timeout handling.
	fe7442 audiod: Reorder exit log messages a bit.
	32a078 audiod: Fix memory leak on exit: stat client.
	706778 audiod: Fix memory leak on exit: gengetopt.
	eec23a audiod: Fix memory leak on exit: close slots.
	cd5f0a audiod: Unify startup messages of receivers, filters and writers.
	597966 audiod: Print a warning if filters are ignored.
	a94e8e audiod: Remove pointless continue statement in com_stat().
	f45bc6 audiod: Make command array static.
	c96792 audiod: Fix error message on status errors.

diff --cc NEWS
index 7cd6838e008319f07a83e58aab3aa3ed98090b94,7cd6838e008319f07a83e58aab3aa3ed98090b94..d1155022a36e1c1ccf623c5eea59fd514463ed2f
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -1,6 -1,6 +1,12 @@@
  NEWS
  ====
  
++----------------------------------------------
++0.5.1 (to be announced) "temporary implication"
++----------------------------------------------
++
++      - audiod improvements and fixes.
++
  ----------------------------------------
  0.5.0 (2013-08-23) "invertible validity"
  ----------------------------------------