Added the beginnings of a test of plotFan.
Converted radFov to use coordConv.  MLT test added as well.
Added coord_alt option for altitude used to convert coords.
Switched from coordConv to coord_conv.
Simplified array-or-not code.
Merge branch 'develop' of github.com:vtsuperdarn/davitpy into feature-radFov-mlt
Converted fan to use coord_conv.
Minor changes to refer to get_coord_dict.
Merge branch 'develop' of github.com:vtsuperdarn/davitpy into feature-radFov-mlt
Merge branch 'develop' into feature-fan-mlt
Added reference to get_coord_dict.
Modified get_coord_dict reference.
Update radFov.py
Changed Basemap to mapObj throughout mapOverlay.  Why was it Basemap before???
Changed dateTime to use mapObj.dateTime
Merge branch 'develop' into feature-mapOverlay-mlt
Merge branch 'develop' into feature-radFov-mlt
Merge branch 'develop' into feature-fan-mlt
Merge branch 'feature-radFov-mlt' of github.com:vtsuperdarn/davitpy into feature-radFov-mlt
Changed dateTime to use optional arg if set but default to mapObj.dateTime