Improve build stages (#3744)

* travis precache

* rb change

* remove ut

* add cache warm up

* Prepare cache fix

* add test

* use env variabble to tag

* use env to label stages

* move lint step at start

* use dist for e2e

* upload dist in alfresco

* modify permissions

* travis script node

* remove polyfills

* revert some changes

* fix demo shell run test

* solve download

* revert debatable gallery change

demo-shell/src/app/app.module.ts

@@ -96,7 +96,7 @@ import { ProcessModule } from '@alfresco/adf-process-services';
         ProcessModule.forRoot(),
         ThemePickerModule,
         ChartsModule,
-        MonacoEditorModule.forRoot(),
+        MonacoEditorModule.forRoot()
     ],
     declarations: [
         AppComponent,