eric/Tigr-m2: A GNU Modula-2 binding to this graphic library. Will be used to translate the UI tutorial.

Eric Streit 02efb0bdda Fix tigr Modula-2 binding and complete the examples		3 hete
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headless	02efb0bdda Fix tigr Modula-2 binding and complete the examples	3 hete
headless.mod	02efb0bdda Fix tigr Modula-2 binding and complete the examples	3 hete