+ fix missing semicolons

This fixes 'missing semicolon' issues reported by jshint (v2.4.3)
+ fix mixed tabs and spaces
+ fix strict equality comparissons
+ fix "Unnecessary semicolon"
Merge branch 'master' of github.com:beatfactor/nightwatch into fix-jshint-default-issues

Update this branch with the latest changes of the real "origin" master.
+ integrate jshint linting into travis build

This commit attempts to integrate linting via "jshint" into the "travis-ci"
build process and introduces the following changes:

  + add a "jshint" entry to the "scripts" section of the "package.json"
  + update the ".travis.yml" to call "npm run-script jshint" before tests
removed chromedriver
updated settings.json and pause command
added sample custom command and usage sample test
renamed the settings file to nightwatch.json - #68
Merge branch 'update-travis-build-process' of github.com:davidlinse/nightwatch into davidlinse-update-travis-build-process

* 'update-travis-build-process' of github.com:davidlinse/nightwatch:
  + integrate jshint linting into travis build
Merge branch 'davidlinse-update-travis-build-process' into features/v0.3-refactoring

* davidlinse-update-travis-build-process:
  + integrate jshint linting into travis build
Merge branch 'fix-jshint-default-issues' of github.com:davidlinse/nightwatch into davidlinse-fix-jshint-default-issues

* 'fix-jshint-default-issues' of github.com:davidlinse/nightwatch:
  + fix "Unnecessary semicolon"
  + fix strict equality comparissons
  + fix mixed tabs and spaces
  + fix missing semicolons

Conflicts:
	lib/index.js
	lib/queue.js
	lib/request.js
	lib/selenium/assertions/elementNotPresent.js
	lib/selenium/commands.js
	lib/selenium/commands/pause.js
	lib/selenium/commands/waitForElementVisible.js
Merge branch 'davidlinse-fix-jshint-default-issues' into features/v0.3-refactoring

* davidlinse-fix-jshint-default-issues:
  + fix "Unnecessary semicolon"
  + fix strict equality comparissons
  + fix mixed tabs and spaces
  + fix missing semicolons
fixed jshint errors