GitLab

Makefile recreated from fragments.
Minor edits to placate C compiler.
Insert version number automatically into Messages.
Remove !Sprites23, add some perspective to !Sprites22.
!Boot/!Run file updated to point at contemporary NewFiler and so on.
'About this program' dialogue icons enlarged per Style Guide.

Tested briefly, though a lack of recent NetG hampers general usefulness.

Version 6.17. Tagged as 'GateWay-6_17'