UI changes, added utilitiy services, persistance, serialization

app/js/directives/directive-slot-internal.js

@@ -0,0 +1,14 @@
+angular.module('app').directive('slotInternal', ['$rootScope', function ($r) {
+  return {
+    restrict: 'A',
+    scope:{
+      c: '=slot',
+      lbl: '=',
+      opts: '='
+    },
+    templateUrl: 'views/slot-internal.html',
+    link: function(scope) {
+      scope.$r = $r;
+    }
+ };
+}]);