review notes
Merge branch 'develop' into slide-review

* develop:
  Small corrections and formatting changes. Adding internet images to the actual project since we don't have internet with the instructor account.
  Update lab-08-directives.md
  Update lab-08-directives.md
  Small corrections to lecture09. Added instructions on testing.
  Adding restrict to comments options.
  Small correction.
  Update lab-07-factories.md
  Update lab-06-interceptors.md
  Small corrections
Merge pull request #105 from objectpartners/slide-review

Slide review