began adding example qt gui
added plot, freq, atten, and rbw controls to simple GUI
added support for WSA5000-108
changed default RBW value
made discovery widget more user friendly
spectrum is now adjusted depending on the attenuation value
disabled alternating colors in sweep mode
removed example gui
Merge branch 'example_qt_gui'
click on peak will now automatically enable the marker
peak now only chooses points that are displayed in the window
fixed SHN mode bin plots
began fix for SHN passband area plots
Merge branch 'peak_marker'
Merge remote-tracking branch 'mfarhan/master' into gui-controller

Conflicts:
	pyrf/devices/thinkrf.py
	pyrf/gui/device_widget.py
	pyrf/gui/gui.py
	pyrf/gui/gui_config.py