nfd: Update to the latest dev version

Change-Id: Idd8520b250d7b3bc38b3140fdd843d3d63b3c406
diff --git a/net/nfd/files/nfd.conf.sample b/net/nfd/files/nfd.conf.sample
index ecc8e3c..dff5931 100644
--- a/net/nfd/files/nfd.conf.sample
+++ b/net/nfd/files/nfd.conf.sample
@@ -59,6 +59,8 @@
 face_system
 {
   ; The unix section contains settings of UNIX stream faces and channels.
+  ; Unix channel is always listening; delete unix section to disable
+  ; Unix stream faces and channels.
   unix
   {
     path /var/run/nfd.sock ; UNIX stream listener path
@@ -90,17 +92,24 @@
     mcast_group 224.0.23.170 ; UDP multicast group (IPv4 only)
   }
 
-  ; Note:
-  ; Ethernet face support is currently broken in OSX with boost 1.56
-  ;
-  ; ; The ether section contains settings of Ethernet faces and channels.
-  ; ether
-  ; {
-  ;   ; Ethernet multicast settings
-  ;   ; NFD creates one Ethernet multicast face per NIC
-  ;   mcast yes ; set to 'no' to disable Ethernet multicast, default 'yes'
-  ;   mcast_group 01:00:5E:00:17:AA ; Ethernet multicast group
-  ; }
+  ; The ether section contains settings of Ethernet faces and channels.
+  ether
+  {
+    ; Ethernet multicast settings
+    ; NFD creates one Ethernet multicast face per NIC
+    mcast yes ; set to 'no' to disable Ethernet multicast, default 'yes'
+    mcast_group 01:00:5E:00:17:AA ; Ethernet multicast group
+  }
+
+  ; The websocket section contains settings of WebSocket faces and channels.
+
+  websocket
+  {
+    listen yes ; set to 'no' to disable WebSocket listener, default 'yes'
+    port 9696 ; WebSocket listener port number
+    enable_v4 yes ; set to 'no' to disable listening on IPv4 socket, default 'yes'
+    enable_v6 yes ; set to 'no' to disable listening on IPv6 socket, default 'yes'
+  }
 }
 
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