Merge pull request #6 from murgo/feature/add-herokuish-support

Feature/add herokuish support
add cors origin support with flask-cors
add Content-Type to cors options
change Procfile to use gunicorn
Merge branch 'feature/cors' of github.com:murgo/steam-dissector into feature/cors
Merge pull request #10 from murgo/feature/cors

Feature/cors
add null-storage that mimics pymongo/Collection, use it if failing to connect to real deal
do not recycle game object through cache when created
print undefined exceptions to console
Merge branch 'feature/optional-mongo' of github.com:murgo/steam-dissector into feature/optional-mongo