Initial cleanup of nav.
Merge branch 'master' of github.com:cremalab/cremalab.com into navigation_styles-69-rl
Refactored Icons and removed unused 'Base' stylesheet files.
current progress
Some images added to Process Page.
Merge pull request #72 from cremalab/navigation_styles-69-rl

Basic cleanup of navigation styles. Looks like this included some refactoring on the process page.