Reorganised menu system, with consolidation of most functions into 'Operations' menu.
Added flood-on-click mouse tool for making sea and lakes manually, with partial buffer redraw of invalidated regions only.
Allowed overlay of salinity map and heightfield in water map display.
Added customisable design map schemes, saved in \Settings\schemes.ini file.
Added climate drop-down box and erosion slider to new design map dialog box.
Replaced edit boxes with combo-boxes & slider-bars in design map pencil and edit pixel attributes. Also added 'Apply to all' option.
Added small, medium and large buffer size options, plus toggle option for over-buffering.