v0.4

Nearly 1000 commits since the last release

1. Better qubit measurements including pulse calibrations, single shot fidelity filters, and more.
2. Unit tests for qubit experiments and pulse cal (thanks @dieris).
3. Move to YAML configuration, ditching JSON.
4. Ditched Bokeh in favor of custom matplotlib client talking to auspex via zmq.
5. Better integration with QGL and Quince.