GitLab

Fix checking of the DesktopColours flag to the scrolllist and textarea gadget SetColour methods - didn't match docs.
Fix for expression precedence of + and ? operators by sprinkling in some brackets.
Ref https://www.riscosopen.org/forum/forums/4/topics/9503#posts-72595

Also, optimise the forced redraw if the text area colour overall didn't change (reduces flicker).
Docs corrected to list RISC OS palette words in the right order.

Version 0.44. Tagged as 'Gadgets-0_44'