Adding a fig.yml file for easy startup in Docker

Fig is a wrapper for dev environments using Docker.

See http://www.fig.sh

TL;DR
    sudo pip install fig
    fig up
    firefox localhost:8080
Replacing some for loops by filter()
Replacing loop by filter() and map()
Replacing loop with simpler length comparison
Removing hardcoded default URL
Removing unneeded complexity of knockout from CDN

It is the debugging version anyway.
Adding long asset caching with version string
Build and updated version number for release 0.5.5