Clean control/rest.py
Clean control/rest.py

* Use constant PORT
* Match member name .hostname to `run_simple` signature

ManiacalLabs/BiblioPixel,rec/BiblioPixel,rec/BiblioPixel,rec/BiblioPixel,rec/BiblioPixel,ManiacalLabs/BiblioPixel,ManiacalLabs/BiblioPixel,ManiacalLabs/BiblioPixel