Move all nodes into core subdirectory

This makes it easier to distinguish core nodes from those added later

nodes/core/social/61-imap.html

@@ -0,0 +1,54 @@
+<!--
+  Copyright 2013 IBM Corp.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-template-name="imap">
+	<div class="form-row node-input-repeat">
+		<label for="node-input-repeat"><i class="icon-repeat"></i>Repeat (S)</label>
+		<input type="text" id="node-input-repeat" placeholder="300">
+	</div>
+	<div class="form-row">
+		<label for="node-input-name"><i class="icon-tag"></i> Name</label>
+		<input type="text" id="node-input-name" placeholder="Name">
+	</div>
+</script>
+
+<script type="text/x-red" data-help-name="imap">
+	<p>Repeatedly gets a <b>single email</b> from an IMAP server and forwards on as a msg if not already seen.</p>
+	<p>The subject is loaded into <b>msg.topic</b> and <b>msg.payload</b> is the body text. <b>msg.from</b> is also set if you need it.</p>
+	<p>Uses the imap module - you also need to pre-configure your email settings in ../../emailkeys.js - see INSTALL file for details.</p>
+	<p><pre>module.exports = { service: "Gmail", user: "blahblah@gmail.com", pass: "password", server: "imap.gmail.com", port: "993" }</pre></p>
+	<p><b>Note:</b> this node <i>only</i> gets the most recent single email from the inbox, so set the repeat (polling) time appropriately.</p>
+</script>
+
+<script type="text/javascript">
+    RED.nodes.registerType('imap',{
+        category: 'social-input',
+        color:"#c7e9c0",
+        defaults: {
+            repeat: {value:"300",required:true},
+            name: {value:""}
+        },
+        inputs:0,
+        outputs:1,
+        icon: "envelope.png",
+        label: function() {
+            return this.name||"IMAP";
+        },
+        labelStyle: function() {
+            return (this.name||!this.topic)?"node_label_italic":"";
+        }
+    });
+</script>