Tutorial improvements

- Skip the build-related tutorial steps when builds are disabled
- Make the styling of the tutorial more consistent with the new layout

static/js/tour.js

@@ -159,6 +159,10 @@ angular.module("angular-tour", [])
           }
 
           $scope.step = $scope.tour.steps[stepIndex];
+          if ($scope.step.skip) {
+            $scope.setStepIndex(stepIndex + 1);
+            return;
+          }
 
           fireMixpanelEvent();