make gbversion.h, setup.iss generated files. (#806)

make gbversion.h, setup.iss generated files. (#806)

* make gbversion.h, setup.iss generated files.

add cmake documentation targets.

* work on check.

* simplify parameter passing to test scripts.

* cmake test work.

run vtesto in parallel.
fix valgrind decision making in testo.
fix test for gpsbabel executable with blanks in path.

* update vtesto for cmake.

* simplify option passing for testo.

* simplify valgrind detection in testo.

* fix testo bug.

* add ubuntu cmake build.

* fix workflow

* align gui pro and CMakeLists.

and use target properties