Added initial endpoints in Flask routes.

Added routes for:
* /
* /data/artsact.json
* /ambient

Added templates for:
* placeholder

Added static file style.css
Added tests for routes
Updated _layout and index templates.
Merge pull request #58 from jamiereid/add-flask-endpoints

Added initial endpoints in Flask routes #57
Merge branch 'master' of https://github.com/makehackvoid/govhack2014
Relocated process_actart_data.py

Added govhack2014/static/output.json (captured 12 July 14)