add a minimal deploy script

The script creates the tables and imports the initial data set.
add instructions for deployment
add file containing the dependencies

Use pip install -r requirements.txt to install dependencies.
make routes executable
seperate models from app/routes code
adapt deploy script to new code structure
change default directory for sqlite database
add stops.db to gitignore file
add to_dict function to DB_Stop
introduces new api endpoint for stops

Use matchesOnly or noMatchesOnly query/url parameter to specify what kind of
stops you want.
make use of the new api endpoint
remove unused route
render small red buses for the stops

TODO: add a switch to change the underlying data
Merge pull request #2 from booo/master

this and that