doc: Replace ffmpeg references in avserver config file by avconv.

doc/avserver.conf

@@ -31,16 +31,16 @@ NoDaemon
 
 ##################################################################
 # Definition of the live feeds. Each live feed contains one video
-# and/or audio sequence coming from an ffmpeg encoder or another
+# and/or audio sequence coming from an avconv encoder or another
 # avserver. This sequence may be encoded simultaneously with several
 # codecs at several resolutions.
 
 <Feed feed1.ffm>
 
-# You must use 'ffmpeg' to send a live feed to avserver. In this
+# You must use 'avconv' to send a live feed to avserver. In this
 # example, you can type:
 #
-# ffmpeg http://localhost:8090/feed1.ffm
+# avconv http://localhost:8090/feed1.ffm
 
 # avserver can also do time shifting. It means that it can stream any
 # previously recorded live stream. The request should contain:
@@ -55,10 +55,10 @@ FileMaxSize 200K
 # ReadOnlyFile /saved/specialvideo.ffm
 # This marks the file as readonly and it will not be deleted or updated.
 
-# Specify launch in order to start ffmpeg automatically.
-# First ffmpeg must be defined with an appropriate path if needed,
+# Specify launch in order to start avconv automatically.
+# First avconv must be defined with an appropriate path if needed,
 # after that options can follow, but avoid adding the http:// field
-#Launch ffmpeg
+#Launch avconv
 
 # Only allow connections from localhost to the feed.
 ACL allow 127.0.0.1