Updated gemfile
Merge branch 'master' of github.com:codeforamerica/ticket-to-ride
Merge branch 'master' of github.com:codeforamerica/ticket-to-ride
Merge branch 'master' of github.com:codeforamerica/ticket-to-ride
Changed name of custom requirements to supplemental requirements
Changed name of custom requirements to supplemental requirements
Fixed up the admin login screen to work
Fixed name of SupplementalRequirement to SupplementalMaterial
Added page for not having any supplemental materials
Fixed bug with race index on student summry page
Moved sample files for supplemental materials
Database updates for supplemental materials
Renamed supplemental material adding page
Routes for adding a supplemental material
Added link for adding a supplemental material
Added user's name to the navigation bar
Fixed bug on guidepost font size when there's only one guardian
Added page for adding supplemental  materials, minus file uploads
Added comment about Slim dependency
Added the ability to edit and delete central supplemental materials