* chore(test): add protractor4
* fix lint, remove boilerplate files, fix less gen
* separate scripts between package.json
* ignore a2docs.css in boilerplate
* remove tslint in _examples
closes#1940
Note: tests are identical to those of toh-2.
Contributes to #1619.
Supersedes #1785.
Suites passed:
- public/docs/_examples/toh-4/dart
- public/docs/_examples/toh-4/ts