Closes #94, there is now a "Back to dashboard" link in header when in fullscreen / edit mode

src/app/controllers/dashLoader.js

@@ -25,6 +25,10 @@ function (angular, _, moment) {
       });
     };
 
+    $scope.exitFullscreen = function() {
+      $rootScope.$emit('panel-fullscreen-exit');
+    };
+
     $scope.showDropdown = function(type) {
       if(_.isUndefined(dashboard.current.loader)) {
         return true;

src/app/partials/dashLoader.html

@@ -4,6 +4,12 @@
   }
 </style>
 
+<li ng-show="fullscreen">
+  <a ng-click="exitFullscreen()">
+    Back to dashboard
+  </a>
+</li>
+
 <li>
   <a class='small' ng-click='zoom(2)'>
     Zoom Out