branch scratch/ns/refactor created (now 049249e)

[Alan Third]

athird pushed a change to branch scratch/ns/refactor.

        at  049249e   Fix NS native compilation builds

This branch includes the following new commits:

       new  fb5b405   Simplify macOS drawing code
       new  1b88944   Tidy up NS port OS window handling
       new  463ffa8   Change NS port resize detection
       new  5b2157f   Fix macOS live resize drawing
       new  ee6db19   Move NS port toolbar handling to the window
       new  b402c6b   Move parent frame setting code into EmacsWindow
       new  249fab9   Fix thread memory management under NS
       new  46103cc   Fix some macOS problems
       new  049249e   Fix NS native compilation builds