Merge pull request #3 from fma2/mapbox

Make markerclusterer markers with geojson, allow for filtering via checkbox of school types
Add unicorn gem for heroku deployment
Remove duplicate reference to unicorn gem
Remove secrets.yml file from gitignore
Add .env file to gitignore
modify spacing on gitignore
Remove config/secrets.yml from gitignore
Add .env to gitignore
Add .env to gitignore
Change spacing for link to stylesheet
Add Procfile for heroku deployment with unicorn
Add unicorn config file for heroku deployment
Precompile assets for deployment on heroku
Change map imprt - styling from mapbox
Add programs button onclick function to display all programs
Add index method to create geojson to use in ajax call when displaying all programs
Add button 'Add Programs'
Add route for programs index
Add index json builder view for ajax call to add programs