configure for heroku deployment:
- use pg instead of sqlite3 in production
- set config.serve_statice_assets and config.assets.compile to ture in production.rb
make snapshot optional now for testing only
Api::V1::IssuesController#create accepts image uploads as base64 string
installed mini_magick gem and resize snapshots to fill 300x300
added fixture pothole image
Merge branch 'master' of https://github.com/martintsai/scfbe