+20160102
+ + modify ncurses c/C color test-screens to take advantage of wide
+ screens, reducing the number of lines used for 88- and 256-colors.
+ + minor refinement to check versus ncv to ignore two parameters of
+ SGR 38 and 48 when those come from color-capabilities.
+
+20151226
+ + add check in tic for use of bold, etc., video attributes in the
+ color capabilities, accounting whether the feature is listed in ncv.
+ + add check in tic for conflict between ritm, rmso, rmul versus sgr0.
+