Adapt and clean up some of the demo code
Adapt and clean up some of the demo code

bgyori/indra,johnbachman/belpy,pvtodorov/indra,johnbachman/belpy,bgyori/indra,johnbachman/belpy,pvtodorov/indra,sorgerlab/indra,sorgerlab/belpy,sorgerlab/indra,pvtodorov/indra,johnbachman/indra,johnbachman/indra,pvtodorov/indra,bgyori/indra,sorgerlab/indra,sorgerlab/belpy,johnbachman/indra,sorgerlab/belpy