Started to move dropbox bits and pieces into a plugin

Currently tw5dropbox is broken, pending some further changes around
module handling

plugins/tiddlywiki/dropbox/logoutmacro.js

@@ -0,0 +1,41 @@
+/*\
+title: $:/plugins/tiddlywiki/dropbox/logoutmacro.js
+type: application/javascript
+module-type: macro
+
+Dropbox logout plugin
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+exports.info = {
+	name: "dropbox.logout",
+	params: {}
+};
+
+exports.handleEvent = function (event) {
+	if(event.type === "click") {
+		$tw.plugins.dropbox.logout();
+	}
+};
+
+exports.executeMacro = function() {
+	// Create the link
+	var child = $tw.Tree.Element(
+			"a",
+			null,
+			this.content,
+			{
+				events: ["click"],
+				eventHandler: this
+			}
+		);
+	child.execute(this.parents,this.tiddlerTitle);
+	return child;
+};
+
+})();