Featured courses completed on backend.
Adds course model tests. Search function now no longer case-sensitive
hiding course inputs
Merge branch 'master' of https://github.com/rickarubio/edufyme into unit-test
added updated application.css
Adds category model tests
Merge pull request #16 from rickarubio/ss-ct-homepage-formatting

Spencer & Christina homepage formatting
Adds model tests for school, teacher, and users.
Merge pull request #17 from rickarubio/unit-test

Unit test
Merge branch 'master' of github.com:rickarubio/edufyme into rr-users-can-access-dashboard