WIP on revising how race is configured.
Removed race fixed value table and put them in the code (reversal of a bad decision I made earlier in development).
Fixed bug with display of race on summary screens.
Added comments to explain the Races module.
Removed dependency of grades being in the database and made some fixes around race display.
Merge pull request #255 from codeforamerica/seed-dupes

"[Always] Change" or Removed dependency on database to render grade and race
Revert "Missed a spot"

This reverts commit e36ec67d60cbef3e812a9951f22b9bab37831d32.
Revert "Cleaned up files that looked like they weren't being used"

This reverts commit ed7a0bc742aadd209512ec2520eac32b806083a9.
Merge branch 'master' into cleanup
Cleaned up unused files.