JSDoc fixes
test: fix ACL integration tests

Change the tests creating new users so that they send valid user data,
in order to prevent 422 "validation failed" responses.

Upgrade loopback-testing to 0.2.0.
package: upgrade Mocha to 1.20
Merge pull request #317 from strongloop/feature/improve-access-checks

Improve access checks tests
Make app.get/app.set available in browser

Implement settings object and methods in browser-express.