+ add default .jshintrc

Attempt to introduce "linting" via 'jshint' node module.

_Note:_
 Using jshint's _default_ configuration and running it against _lib/*.js_:
`$ jshint --config .jshintrc lib/` reports
`135` warnings/errors

see also: https://raw2.github.com/jshint/jshint/master/examples/.jshintrc
Adding ability to add custom assertions to assert/verify.
adding IE support
Merged PR - adding ability to add custom assertions to assert/verify. #46
small adjustments
Merge branch 'ie' of github.com:neuhoffm/nightwatch into neuhoffm-ie

* 'ie' of github.com:neuhoffm/nightwatch:
  adding IE support
Merge branch 'add-jshintrc-file-to-project' of github.com:davidlinse/nightwatch into davidlinse-add-jshintrc-file-to-project

* 'add-jshintrc-file-to-project' of github.com:davidlinse/nightwatch:
  + add default .jshintrc
fixed some of the jshint errors/warnings