resolve icon usability issues
Current icons in Morpho are not completely telegraphic. Need to resolve
usability and understandability of icons with input from various users,
Updated by Matt Jones over 20 years ago
Suggestion to add tool tips to the icons. Also should revise the icons to be
smaller so they can be displayed in a dialog box. The use of the icons may be
discontinued completely if we rearrange the result set window to not be the main
window in morpho.