changing mode will rescale the IQ plot
removed redundant code, RBW will always default to the lowest value
disable cfreq/fstep controls while in modes that have no frequency controls
added iq output connector as a device property
changed iq output flag to true for WSA5000-220 model
Merge pull request #93 from mfarhan12/disable_cfreq_mode

disable cfreq/fstep controls while in modes that have no frequency contr...
Merge pull request #94 from mfarhan12/iq_output_property

added iq output connector as a device property
fixed issue where plot did not recenter if user changes frequency using panel controls
combined code that was doing the same thing
make IQ in last option
descriptive mode labels
make IQIN last for all models
reformat text
Merge pull request #96 from wardi/meaningful-modes

Use meaningful text for mode drop-down
make spin box step buttons set state immediately
Merge pull request #97 from wardi/immediate-buttons

make spin box step buttons set state immediately
Merge branch 'fix_hdr_axis'
fixed merge conflicts
fixed iq window being centered the wrong way, as well as calling a constant that no longer exists
Revert "Merge branch 'fix_hdr_axis'"

This reverts commit dfc9e6b47bc7b93f11646fd2d34f2322501ba002, reversing
changes made to 93fa008b159361157c2685a3a8b14248a1d910a8.

Conflicts:
	pyrf/gui/gui.py