apps/graphics/twm4nx: Other toolbar buttons need to be disabled while resizing. Lots of problems if you decide to iconify or exit while resizing. CResize now disables all buttons except for the RESIZE button while resizing.
apps/graphics/twm4nx: Add an event and logic to support notification of changes in the size of a window to NxTerm.
Various updates to adapt to change in boardctl() interface.
apps/graphics/twm4nx: Correct an error in the NxTerm resize logic
apps/graphics/twm4nx: Update debug output when failures to send a message occur. The returned value of -1 is not interested, need to show the errno value instead.
apps/graphics/twm4nx: Correct the maximum size of a message. Recent changes caused message send failures because a message exceed that previous maximum size.
apps/graphics/twm4nx: Fix routing of redraw events.
e76bfbb74e