Merge branch 'release/0.1'
Added Postgresql to production group for Heroku
Merge branch 'hotfix/sqlite_to_postgres'
Merge branch 'hotfix/sqlite_to_postgres' into develop
Added secrets file
Merge branch 'hotfix/add_secrets'
Merge branch 'hotfix/add_secrets' into develop
Added heroku config.serve_static_assets
Merge branch 'hotfix/add_heroku_assets'
Merge branch 'hotfix/add_heroku_assets' into develop
Fixed heroku assets
Merge branch 'hotfix/add_heroku_assets_fix' into develop