Sauce Labs integration
Merge branch 'sauce' of github.com:sebv/nightwatch into sebv-sauce

* 'sauce' of github.com:sebv/nightwatch:
  Sauce Labs integration
some space adjustments
Merge branch 'sebv-sauce'

* sebv-sauce:
  some space adjustments
  Sauce Labs integration
Merge branch 'master' of github.com:beatfactor/nightwatch

* 'master' of github.com:beatfactor/nightwatch:
  fix Action.frame protocol, argument key is id instead of frameId
Merge branch 'master' of github.com:beatfactor/nightwatch

* 'master' of github.com:beatfactor/nightwatch:
  adding clear value method
- refactored the test runner
- fixed some issues in the http request lib
- added a unit test for clearValue