line up discovery node wording in docs

to close #290
Thanks @ukmoose

Author: Dave Conway-Jones

README.md

@@ -109,7 +109,7 @@ Copyright 2013, 2016 IBM Corp. under [the Apache 2.0 license](LICENSE).
 
 **node-red-node-ping** - *[88-ping](io/ping)* - Pings a machine and returns the trip time in mS. Returns false if no response received within 3 seconds, or if the host is unresolveable. Default ping is every 20 seconds but can be configured.
 
-**node-red-node-mdns** - *[mdns](io/mdns)* - discovers other Avahi/Bonjour services on the network.
+**node-red-node-discovery** - *[mdns](io/mdns)* - discovers other Avahi/Bonjour services on the network.
 
 **node-red-node-mqlight** - *[mqlight](io/mqlight)* - Adds nodes to send and receive using MQlight.
 

io/mdns/README.md

@@ -1,5 +1,5 @@
-node-red-node-discover
-======================
+node-red-node-discovery
+=======================
 
 A <a href="http://nodered.org" target="_new">Node-RED</a> node that uses Bonjour
  / Avahi to discover local network services such as iTunes libraries, printers, etc.

io/mdns/package.json

@@ -1,16 +1,16 @@
 {
     "name"          : "node-red-node-discovery",
-    "version"       : "0.0.13",
+    "version"       : "0.0.14",
     "description"   : "A Node-RED node that uses Bonjour / Avahi to discover nearby services.",
     "dependencies"  : {
-        "mdns"   : "2.2.*"
+        "mdns"   : "2.3.*"
     },
     "repository" : {
         "type":"git",
         "url":"https://github.com/node-red/node-red-nodes/tree/master/io/mdns"
     },
     "license": "Apache-2.0",
-    "keywords": [ "node-red", "mdns", "avahi", "bonjour" ],
+    "keywords": [ "node-red", "mdns", "avahi", "bonjour", "discovery" ],
     "node-red"      : {
         "nodes"     : {
             "discovery": "mdns.js"