add tests from gulp web page. Initial work on parser

parser/parser-gulp/main.py

parser/parser-gulp/setup_paths.py

test/examples/inputs/example1.gin

test/examples/inputs/example10.gin

test/examples/inputs/example11.gin

test/examples/inputs/example12.gin

test/examples/inputs/example13.gin

test/examples/inputs/example14.gin

test/examples/inputs/example15.gin

test/examples/inputs/example15a.gin

test/examples/inputs/example16.gin

test/examples/inputs/example17.gin

test/examples/inputs/example18.gin

test/examples/inputs/example19.gin

test/examples/inputs/example2.gin

test/examples/inputs/example20.gin

test/examples/inputs/example21.gin

test/examples/inputs/example22.gin

test/examples/inputs/example23.gin

test/examples/inputs/example24.gin