Add image.bgphot.
Merge branch 'master' into image-bgphot
Update changes.
bgphot completed.
Merge branch 'image-bgphot'
Move fwhmfit from image.process to image.analysis; respect bg keyword.
util.bandpass relied on old astropy Quantity behavior; fixed.
Updated to v2.1.1
Fix JD to Time object conversion crash in observing.
Merge branch 'observing-time-bug'
Update to v2.1.2.
v2.1.3: Added various linestyles to observing.am_plots.
Solar sys. obs. geom. example.
Set bounds on gcentroid.
Constrain gcentroid to fits within the box.
Bug fix for single apertures passed to anphot.
Merge branch 'anphot-single-aperture-fix'
Fixed gcentroid
Merge branch 'new-astropy-models-behavior'.  mskpy.modeling not working, though.
v2.1.4