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

scripts/lint.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd "$DIR/../"
+
+echo "====== lint Lib ====="
+
+npm run lint-lib || exit 1
+
+echo "====== lint E2E ====="
+
+npm run lint-e2e
+
+echo "====== lint Demo shell ====="
+
+ng lint dev --fix