Added .DS_Store to .gitignore
Added Open Pixel Control python client as a module

https://github.com/chillpop/openpixelcontrol
forked from:
https://github.com/zestyping/openpixelcontrol
Added layout file and generator for OPC simulator.
Initial relax_harder script.

using fake headsets for simulation.

connect to OPC server
connect to headsets
map meditation values to pixel bar graph