8149929: Nashorn Parser API needs to be updated for ES6
Reviewed-by: mhaupt, hannesw

8075240: Output of some tests contains platform specific line break
Reviewed-by: sundar

8068306: Tests for AST presentation Nashorn Parser API
8068304: Tests for Diagnostic listener for Nashorn Parser API
8068303: Create tests for Nashorn Parser API for create Tree from some different source and parameters
Reviewed-by: sundar, lagergren