When running without watch, process.exit(1) on error

website/build-examples.js

@@ -133,6 +133,11 @@ function onError (err) {
     'message': err.message
   })
   this.emit('end')
+
+  // When running without watch, process.exit(1) on error
+  if (!watchifyEnabled) {
+    process.exit(1);
+  }
 }
 
 /**

website/src/examples/dragdrop/app.es6

@@ -1,11 +1,11 @@
 // import Uppy from 'uppy/core'
 // import { DragDrop, Progressbar, Tus10 } from 'uppy/plugins'
-import Uppy from './../../../../src/core/Core.js'
-import DragDrop from './../../../../src/plugins/DragDrop.js'
-import ProgressBar from './../../../../src/plugins/ProgressBar.js'
-import Spinner from './../../../../src/plugins/Spinner.js'
-import Tus10 from './../../../../src/plugins/Tus10.js'
-import FakeModal from './../../../../src/plugins/FakeModal.js'
+import Uppy from '../../../../src/core/Core.js'
+import DragDrop from '../../../../src/plugins/DragDrop.js'
+import ProgressBar from '../../../../src/plugins/ProgressBar.js'
+import Spinner from '../../../../src/plugins/Spinner.js'
+import Tus10 from '../../../../src/plugins/Tus10.js'
+import FakeModal from '../../../../src/plugins/FakeModal.js'
 
 const uppyOne = new Uppy({debug: true})
 uppyOne