Scaffold for aplus tests.

 On branch v_2_ecma6

	modified:   manage.sh
	modified:   package.json
	new file:   test/aplus-adapter.js
aplus test adapter

 On branch v_2_ecma6

	modified:   test/aplus-adapter.js
Fully implemented API for aplus tests.

 On branch v_2_ecma6

	modified:   index.js
Running aplus tests up through 2.2.7

 On branch v_2_ecma6

	modified:   index.js
	modified:   test/aplus-adapter.js