Add refresh command
Merge pull request #28 from remixz/refresh

Add refresh command
add doubleClick command
Merge pull request #30 from acroix/master

add doubleClick command
added window handling protocol command to enable switch window and close window actions.
Merge branch 'master' of github.com:beatfactor/nightwatch

* 'master' of github.com:beatfactor/nightwatch:
  add doubleClick command
added closeWindow and switchWindow commands and an example test for performing facebook login authentication on digg.com website
improved selenium error handling
added alert handling protocol actions (#26)
**Added** `windowSize` protocol action and `resizeWindow` selenium command
version number bump
small update to resizeWindow command.
version number bump
added -f option to filter filename formats. Uses minimatch module
refactored the nightwatch index - phase 1
added a check for data
Update README.md
more refactoring
more refactoring
Merge branch 'master' of github.com:beatfactor/nightwatch

* 'master' of github.com:beatfactor/nightwatch:
  Update README.md