Generate package-name.js and package-name.css.
Breaking change tag info contributing.md
Clears up where to put the BREAKING tag
Merge pull request #652 from rtablada/contributing/breaking-tag

Breaking change tag info contributing.md
Merge branch 'pr/638'

Conflicts:
	CHANGELOG.md
rename, to just an acceptance init test
add end-to-end slow test.

now we have:

npm test (for fast tests)
npm run-script test-all (for all tests)