Use pyd as library format for connect.c
removed connect2 function from network, added connect_fast

connect_fast uses a c-implementation which is faster than the
native implentation by a factor of about 2.

added forgotten `*.mplstyle` to MANIFEST, this should fix the
docs building on read the docs
working on fixing doc-building problems
working on docs
docs
removed unused tutorial indecies
docs
docs
add get_switch_terms to ZVA40
changed minor power toggling function on ZVA to not raise an error
but warn when option is 'auto'
added a __truediv__ operator to support `from __future__ import division`
see http://legacy.python.org/dev/peps/pep-0238/
added a couple materials
added `from_coefs` to Calibration class and adjusted usage of `family`
adding calset and calibration functionality to PNA
working on PNA calibration support
fixed zva switch term bug
adjusted shade_bands to not rescale  the y-axis
added util.slice_domain for creating slices from values
fixing PNA calibration up/downloading
finished get/set calibration functions tested, and appear to work
moded conf to allow build off git
minor edits
doc changes