Moved disk space and about to new info tab

New: Disk space visible in the UI under System Info

src/UI/System/Info/About/AboutView.js

@@ -0,0 +1,14 @@
+'use strict';
+define(
+    [
+        'marionette',
+        'System/StatusModel'
+    ], function (Marionette, StatusModel) {
+        return Marionette.ItemView.extend({
+            template: 'System/Info/About/AboutViewTemplate',
+
+            initialize: function () {
+                this.model = StatusModel;
+            }
+        });
+    });

src/UI/System/Info/About/AboutViewTemplate.html

@@ -0,0 +1,13 @@
+<fieldset>
+    <legend>About</legend>
+
+    <dl class="dl-horizontal">
+        <dt>Version</dt>
+        <dd>{{version}}</dd>
+        <dt>AppData directory</dt>
+        <dd>{{appData}}</dd>
+        <dt>Startup directory</dt>
+        <dd>{{startupPath}}</dd>
+    </dl>
+</fieldset>
+