Convert docdock theme from submodule to native files and fix Hugo compatibility

themes/docdock/static/revealjs/plugin/multiplex/master.js

@@ -0,0 +1,34 @@
+(function() {
+
+	// Don't emit events from inside of notes windows
+	if ( window.location.search.match( /receiver/gi ) ) { return; }
+
+	var multiplex = Reveal.getConfig().multiplex;
+
+	var socket = io.connect( multiplex.url );
+
+	function post() {
+
+		var messageData = {
+			state: Reveal.getState(),
+			secret: multiplex.secret,
+			socketId: multiplex.id
+		};
+
+		socket.emit( 'multiplex-statechanged', messageData );
+
+	};
+
+	// post once the page is loaded, so the client follows also on "open URL".
+	window.addEventListener( 'load', post );
+
+	// Monitor events that trigger a change in state
+	Reveal.addEventListener( 'slidechanged', post );
+	Reveal.addEventListener( 'fragmentshown', post );
+	Reveal.addEventListener( 'fragmenthidden', post );
+	Reveal.addEventListener( 'overviewhidden', post );
+	Reveal.addEventListener( 'overviewshown', post );
+	Reveal.addEventListener( 'paused', post );
+	Reveal.addEventListener( 'resumed', post );
+
+}());