Refactored database

- Renamed tables to be singular
- Made job, house, and crime have FK to address instead of other way
  around
- Updated scrapers
- Deleted old data
Merge pull request #4 from Trinovantes/refactor-db

Refactored database
Added export of entire db scraped on June 12

- Includes crime and jobs
- Excludes houses
Fixed setup sql script
Front end static page
Finished sidebar
Finished basic front end

- Still need to parse backend data and generate housing info/heatmap