Add options to disable build of tests and examples
Add options to disable build of tests and examples

Add a source gorup for headers.
Detect all cases for "LuaJit"

OrfeasZ/sol2,OrfeasZ/sol2,ThePhD/sol2,OrfeasZ/sol2,ThePhD/sol2,ThePhD/sol2,ThePhD/sol2,OrfeasZ/sol2