Move privacy and TOS to Angular

Fixes #1529

static/js/pages/tos.js

@@ -0,0 +1,10 @@
+(function() {
+  /**
+   * TOS page.
+   */
+  angular.module('quayPages').config(['pages', function(pages) {
+    pages.create('tos', 'tos.html', null, {
+      'title': 'Terms of Service'
+    });
+  }]);
+}());