Implement TestDataBuilder
Merge pull request #2 from strongloop/feature/test-data-builder

Implement TestDataBuilder
Minor tweaks

 - reworks givenModel
 - add shouldNotBeFound test generator
 - allow befores to override url
 - reworked loggedInAsUser
Merge pull request #3 from strongloop/refactor/minor-tweaks

Minor tweaks
Bump version
Merge branch 'release/0.0.3' into production