FS-7513: tweak conference config a little and clean up comment consistency

conf/vanilla/autoload_configs/conference.conf.xml

@@ -48,26 +48,26 @@
       <!--Can be | delim of waste|mute|deaf|dist-dtmf waste will always transmit data to each channel
           even during silence.  dist-dtmf propagates dtmfs to all other members, but channel controls
 	  via dtmf will be disabled. -->
-      <!--<param name="member-flags" value="waste"/>-->
+      <!-- <param name="member-flags" value="waste"/> -->
 
       <!-- Name of the caller control group to use for this profile -->
       <!-- <param name="caller-controls" value="some name"/> -->
       <!-- Name of the caller control group to use for the moderator in this profile -->
       <!-- <param name="moderator-controls" value="some name"/> -->
       <!-- TTS Engine to use -->
-      <!--<param name="tts-engine" value="cepstral"/>-->
+      <!-- <param name="tts-engine" value="cepstral"/> -->
       <!-- TTS Voice to use -->
-      <!--<param name="tts-voice" value="david"/>-->
+      <!-- <param name="tts-voice" value="david"/> -->
 
       <!-- If TTS is enabled all audio-file params beginning with -->
       <!-- 'say:' will be considered text to say with TTS -->
       <!-- Override the default path here, after which you use relative paths in the other sound params -->
       <!-- Note: The default path is the conference's first caller's sound_prefix -->
-      <!--<param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/>-->
+      <!-- <param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/> -->
       <!-- File to play to acknowledge succees -->
-      <!--<param name="ack-sound" value="beep.wav"/>-->
+      <!-- <param name="ack-sound" value="beep.wav"/> -->
       <!-- File to play to acknowledge failure -->
-      <!--<param name="nack-sound" value="beeperr.wav"/>-->
+      <!-- <param name="nack-sound" value="beeperr.wav"/> -->
       <!-- File to play to acknowledge muted -->
       <param name="muted-sound" value="conference/conf-muted.wav"/>
       <!-- File to play to acknowledge unmuted -->
@@ -75,7 +75,7 @@
       <!-- File to play if you are alone in the conference -->
       <param name="alone-sound" value="conference/conf-alone.wav"/>
       <!-- File to play endlessly (nobody will ever be able to talk) -->
-      <!--<param name="perpetual-sound" value="perpetual.wav"/>-->
+      <!-- <param name="perpetual-sound" value="perpetual.wav"/> -->
       <!-- File to play when you're alone (music on hold)-->
       <param name="moh-sound" value="$${hold_music}"/>
       <!-- File to play when you join the conference -->
@@ -95,10 +95,10 @@
       <!-- File to play to when the pin is invalid -->
       <param name="bad-pin-sound" value="conference/conf-bad-pin.wav"/>
       <!-- Conference pin -->
-      <!--<param name="pin" value="12345"/>-->
-      <!--<param name="moderator-pin" value="54321"/>-->
+      <!-- <param name="pin" value="12345"/> -->
+      <!-- <param name="moderator-pin" value="54321"/> -->
       <!-- Max number of times the user can be prompted for PIN -->
-      <!--<param name="pin-retries" value="3"/>-->
+      <!-- <param name="pin-retries" value="3"/> -->
       <!-- Default Caller ID Name for outbound calls -->
       <param name="caller-id-name" value="$${outbound_caller_name}"/>
       <!-- Default Caller ID Number for outbound calls -->
@@ -133,7 +133,7 @@
       <param name="rate" value="16000"/>
       <param name="interval" value="20"/>
       <param name="energy-level" value="300"/>
-      <!--<param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/>-->
+      <!-- <param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/> -->
       <param name="muted-sound" value="conference/conf-muted.wav"/>
       <param name="unmuted-sound" value="conference/conf-unmuted.wav"/>
       <param name="alone-sound" value="conference/conf-alone.wav"/>
@@ -149,8 +149,8 @@
       <param name="caller-id-name" value="$${outbound_caller_name}"/>
       <param name="caller-id-number" value="$${outbound_caller_id}"/>
       <param name="comfort-noise" value="true"/>
-      <!--<param name="tts-engine" value="flite"/>-->
-      <!--<param name="tts-voice" value="kal16"/>-->
+      <!-- <param name="tts-engine" value="flite"/> -->
+      <!-- <param name="tts-voice" value="kal16"/> -->
     </profile>
 
     <profile name="ultrawideband">
@@ -158,7 +158,7 @@
       <param name="rate" value="32000"/>
       <param name="interval" value="20"/>
       <param name="energy-level" value="300"/>
-      <!--<param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/>-->
+      <!-- <param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/> -->
       <param name="muted-sound" value="conference/conf-muted.wav"/>
       <param name="unmuted-sound" value="conference/conf-unmuted.wav"/>
       <param name="alone-sound" value="conference/conf-alone.wav"/>
@@ -175,7 +175,7 @@
       <param name="caller-id-number" value="$${outbound_caller_id}"/>
       <param name="comfort-noise" value="true"/>
 
-      <!--<param name="conference-flags" value="video-floor-only|rfc-4579|livearray-sync|auto-3d-position|transcode-video|minimize-video-encoding"/> -->
+      <!-- <param name="conference-flags" value="video-floor-only|rfc-4579|livearray-sync|auto-3d-position|transcode-video|minimize-video-encoding"/> -->
 
       <!-- <param name="video-layout-name" value="3x3"/> -->
       <!-- <param name="video-layout-name" value="group:grid"/> -->
@@ -186,8 +186,8 @@
       <!-- <param name="video-fps" value="15"/> -->
 
 
-      <!--<param name="tts-engine" value="flite"/>-->
-      <!--<param name="tts-voice" value="kal16"/>-->
+      <!-- <param name="tts-engine" value="flite"/> -->
+      <!-- <param name="tts-voice" value="kal16"/> -->
     </profile>
 
     <profile name="cdquality">
@@ -195,7 +195,7 @@
       <param name="rate" value="48000"/>
       <param name="interval" value="20"/>
       <param name="energy-level" value="300"/>
-      <!--<param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/>-->
+      <!-- <param name="sound-prefix" value="$${sounds_dir}/en/us/callie"/> -->
       <param name="muted-sound" value="conference/conf-muted.wav"/>
       <param name="unmuted-sound" value="conference/conf-unmuted.wav"/>
       <param name="alone-sound" value="conference/conf-alone.wav"/>
@@ -211,6 +211,17 @@
       <param name="caller-id-name" value="$${outbound_caller_name}"/>
       <param name="caller-id-number" value="$${outbound_caller_id}"/>
       <param name="comfort-noise" value="true"/>
+
+      <!-- <param name="conference-flags" value="video-floor-only|rfc-4579|livearray-sync|auto-3d-position|transcode-video|minimize-video-encoding"/> -->
+
+      <!-- <param name="video-layout-name" value="3x3"/> -->
+      <!-- <param name="video-layout-name" value="group:grid"/> -->
+      <!-- <param name="video-canvas-size" value="1920x1080"/> -->
+      <!-- <param name="video-canvas-bgcolor" value="#333333"/> -->
+      <!-- <param name="video-layout-bgcolor" value="#000000"/> -->
+      <!-- <param name="video-codec-bandwidth" value="2mb"/> -->
+      <!-- <param name="video-fps" value="15"/> -->
+
     </profile>
 
     <profile name="sla">