0.4.13
Merge branch 'master' of github.com:beatfactor/nightwatch

* 'master' of github.com:beatfactor/nightwatch:
  added coverage badge and removed dependencies
  reverted the queueing change for #133
  Fixed a reported queing issue #133 and added support for code coverage with coveralls and code instrumenting
Merge branch 'master' of github.com:beatfactor/nightwatch

* 'master' of github.com:beatfactor/nightwatch:
  added results and errors properties on the test object available from inside tearDown to satisfy #135
  updated tests for waitForElementPresent
  added waitForConditionPollInterval also, changed the set milliseconds logic a bit and updated the api doc
  Fixed an issue where the set locateStrategy wasn't used correctly in the case of xpath
  Fixed an issue when the selenium server wasn't being stopped after a session create error
  added <no such element> to array of DO_NOT_LOG_ERRORS
  add missing semicolon
  add global timeout for waitFor commands. Fixes #129
  Standardize return - important for callbacks.
Fixed #142 - useXpath and useCss methods weren't behaving correctly