Added images for js quickstart.
Merge branch 'master' of https://github.com/appacitive/appacitive.github.com

* 'master' of https://github.com/appacitive/appacitive.github.com:
  Made more changes
  Build #157
  Build #156
  Formatting
  Changes: Fixed the wrong caption below the images in the getting started page.
  Build #155