Bugfix: Climate model calendar class could calculate bad DAY_OF_YEAR for
final day of year.
Bugfix: Age limit on items in history list was not tested whenever application
was run.
Refactored lon-lat data gridding class to use secondary gridders for different
types of lon-lat grids (regular, projected, auxiliary).
Bugfix: Alt-click (option-click) anywhere on a lon-lat map plot revealed no
info if data were on a projected grid.
Bugfix: Alt-click (option-click) on time-lat, lat-vert and lon-vert plots
used wrong x-y point and reported info for wrong cell.
Refactored describe-point methods in plot data classes into methods in the
various NcArray subclasses.
Modified handling of Equirectangular map plots so that one could "zoom in"
via command-click (OS X) or control-click (others) and automatically switch
to an Equirectangular (Regional) projection.
Bugfix: Extraneous text sometimes drawn to the right of tabs of tabbed panes
on some platforms (e.g., Win7).
Bugfix: Start-up crash on platforms using GTK+ look-and-feel due to
UIManager Tree.* icons not found during tree-table construction.