YAMAHA_AVR: execute all HTTP requests now non-blocking

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@5996 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/CHANGED

@@ -1,5 +1,7 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+  - bugfix:  YAMAHA_AVR: don't let FHEM hang anymore, when the receiver
+             is not reachable
   - change:  55_GDS.pm: use Blocking.pm for retrieval of large files
   - change:  YAMAHA_BD: make YAMAHA_BD more performant by using non-blocking
              HTTP request (from HttpUtils.pm)