Adapt manual message upload to vue

src/components/admin.vue

@@ -1,9 +1,11 @@
 <script>
+import SpotIcon from './spotIcon.vue';
 import SpotButton from './spotButton.vue';
 import AdminInput from './adminInput.vue';
 
 export default {
 	components: {
+		SpotIcon,
 		SpotButton,
 		AdminInput
 	},
@@ -117,7 +119,7 @@ export default {
 </script>
 <template>
 	<div id="admin">
-		<a name="back" class="button" href="#project"><i class="fa fa-back push"></i>{{ l('nav_back') }}</a>
+		<a name="back" class="button" href="#project"><SpotIcon :icon="'back'" :text="l('nav_back')" /></a>
 		<h1>{{ l('projects') }}</h1>
 		<div id="project_section">
 			<table>