Removed material_types and material_colors from forms
Fixed lenses workflow
Cleanup and start on submenu
Added submenu
Merge branch 'salesmen'

Merging into Master to add the Salesmen functionality.
Added Salesmen to navigation bar
Merge branch 'submenu'

"Commited"
WIP - Add ability for salesmen to have products
Added styling to warehouse index list
added Salesmen styling