fix demo login link

src/main/app/templates/welcome.html

@@ -1,5 +1,5 @@
 <div class="container welcome">
-	<div class="row header">
+	<div class="row header" ng-controller="LoginCtrl">
 		<div class="pull-left">
 			<a>
 				<img src="images/logo_2.png"></img>
@@ -8,7 +8,7 @@
 		<div class="pull-right tagline">Bloat-free feed reader</div>
 		<div class="text-center clear-both">
 			<img src="images/preview.jpg" class="preview" />
-			<a href="#" ng-click="demoLogin()" class="demo">
+			<a href="" ng-click="demoLogin()" class="demo">
 				Try out the demo
 				<br />
 				<small>(some features are disabled)</small>