Update Vue.js to v0.8.4 and fix IE issue

- fixed some jshint errors overlooked from last commit
- fixed IE-only bug which causes some directives to be skipped

labs/architecture-examples/vue/index.html

@@ -16,7 +16,7 @@
 				<ul id="todo-list">
 					<li class="todo" v-repeat="todos" v-if="filterTodo(this)" v-class="completed: completed, editing: this == editedTodo">
 						<div class="view">
-							<input class="toggle" type="checkbox" v-model="completed" v-on="change: toggleTodo(this)">
+							<input class="toggle" type="checkbox" v-model="completed" v-on="change: toggleTodo">
 							<label v-text="title" v-on="dblclick: editTodo(this)"></label>
 							<button class="destroy" v-on="click: removeTodo(this)"></button>
 						</div>

labs/architecture-examples/vue/js/app.js

@@ -59,7 +59,7 @@
 		// http://vuejs.org/guide/computed.html
 		computed: {
 			remaining: function () {
-				return this.todos.filter(this.filters.active).length
+				return this.todos.filter(this.filters.active).length;
 			},
 			allDone: {
 				$get: function () {
@@ -98,7 +98,7 @@
 				todoStorage.save();
 			},
 
-			toggleTodo: function (todo) {
+			toggleTodo: function () {
 				todoStorage.save();
 			},