added installing of chrome webdriver
Added result image for lab 2
Added index.html to lab 2
Merge branch 'develop' into feature/lab-review

* develop:
  Changing slidedeck server port and live reload port to deconflict with other services/servers.
adding images to labs 1 - 3
tweaks to lab 3 for clarity
lab 4 adjustments made to hopefully encourage more typing than copy paste
lab 4 adjusted and ready to go
Merge branch 'develop' into feature/lab-review

* develop:
  Added information about one root element in directive templates.
  Added sections on controllers and require options.
  Formatting fixes.
Merge pull request #120 from objectpartners/feature/lab-review

Feature/lab review