make grid on project preview page a little subtler
screenshot of midas bootstrap project from desktop.
Merge branch 'sections'

* sections:
  screenshot of midas bootstrap project from desktop.
  make grid on project preview page a little subtler
Merge branch 'gh-pages'

* gh-pages:
  Add Creative Commons License
Merge branch 'gh-pages'

* gh-pages:
  Added specific language about each photo source
  Add Image Credits to README
Change background image on section 1.  Remove files not being used.
Background Image for Scenario 1 updated.  Remove files not being used.
Update README with current photo sources.