Sunclock may be automatically centered on sub-Earth or subsolar point using centering selection menu.
Saved preferences now include window locations, plot window sizes, and other additional settings.
Bugfix (minor): Show MER-A and MER-B option correctly selected on launch when set in prefs.
Bugfix: Equirectangular projection distorted in case of large monitor and certain longitude values of center of projection.
Altered Mars time settings organization to make it more apparent how to choose Exploration Rover mission times.
Earth-Mars distance readout may be shown in units other than light-minutes.
Added (small) FAQ to help windows choices.
Additional locations in landmarks choices.
Replaced suffix appended to local mean zonal time readouts, now using "MTC+n" or "MTC-n" to indicate hour ahead of or behind MTC.
Rewrote animation threading of graphic display objects to make much fewer repaint calls and so reduce CPU demand. Only clock readout window still makes frequent (dt < 1 s) repaints.
"Solar Path" display renamed (again) and now called "Local Panorama" display".
Panorama display now also includes path that Earth traces during the sol. Solar position readout in panorama display turned into a scrollable table and expanded to included positions of Earth during the sol. Controls added for user to specify how solar and Earth paths in panorama are marked. Display may now be centered on any of the four cardinal directions.
Beagle 2 reclassified as an "unsuccessful" mission. This affects sorting order in landmark list and tick color if marked on sunclock.
Location of MER-B Opportunity updated, but note use of planetographic latitude.
