Merge branch 'refs/heads/t/daemonize-fix'

Two bug fixes for race conditions during server startup, and an
improved log message. Cooking for two months.

* refs/heads/t/daemonize-fix:
  server: Fix race condition in afs startup.
  daemon: Fix race condition in daemonize().
  daemon: Improve "daemonizing" log message.

diff --cc NEWS.md
index b0862d5f392ee33504255eab1d0d43e3ee157067,71eb6cb26d3a333f8840f78848ad74986f689754..38d1d5b0664e26da404bbae9059e3142949fe5fe
--- 1/NEWS.md
--- 2/NEWS.md
+++ b/NEWS.md
@@@ -1,16 -1,6 +1,17 @@@
  NEWS
  ====
  
 +------------------------------------------
 +0.5.7 (to be announced) "semantic density"
 +------------------------------------------
 +- Speedup of the base64 decoder.
 +- One of the two source browsers has been removed from the web pages.
 +  The doxygen API reference still contains an HTML version of each
 +  source file.
++- Two race conditions in para_server have been fixed.
 +
 +Download: [tarball](./releases/paraslash-git.tar.bz2)
 +
  ---------------------------------------
  0.5.6 (2016-07-10) "cascading gradient"
  ---------------------------------------