Add url field to Prowl node

Npm pub v 0.0.5 to Close #169

social/prowl/57-prowl.html

@@ -22,6 +22,10 @@
     <div class="form-row">
         <label for="node-input-priority"><i class="fa fa-star"></i> Priority</label>
         <input type="text" id="node-input-priority" placeholder="0">
+    </div>
+        <div class="form-row">
+        <label for="node-input-url"><i class="fa fa-globe"></i> URL</label>
+        <input type="text" id="node-input-url" placeholder="optional web page url">
     </div>
     <div class="form-row">
         <label for="node-input-pushkey"><i class="fa fa-key"></i> API Key</label>
@@ -37,9 +41,7 @@
 <script type="text/x-red" data-help-name="prowl">
     <p>Uses Prowl to push the <b>msg.payload</b> to an Apple device that has the prowl app installed.</p>
     <p>Optionally uses <b>msg.topic</b> to set the title. You can also set <b>msg.priority</b> to confgure the urgency from -2 (low), through 0 (normal) to 2 (urgent).</p>
-    <p>The API Key is stored in a separate credentials file.</p>
-    <p>The old method of storing your Prowl API key in the pushkey.js file in the directory <b>above</b> node-red has been deprecated.</p>
-    <!-- <p><pre>module.exports = { prowlkey:'My-API-KEY' }</pre></p> -->
+    <p>You may use <b>msg.url</b> to set a url to redirect the user to on receipt of the message.</p>
     <p>Uses Prowl. See <i><a href="https://www.prowlapp.com" target="_new">this link</a></i> for more details.</p>
 </script>
 
@@ -49,6 +51,7 @@
         defaults: {
             title: {value:""},
             priority: {value:0,required:true,validate:RED.validators.number()},
+            url: {value:""},
             name: {value:""}
         },
         credentials: {