rewrite tests to work in strict mode, use helpers

test/built-ins/Object/create/15.2.3.5-4-100.js

test/built-ins/Object/create/15.2.3.5-4-101.js

test/built-ins/Object/create/15.2.3.5-4-103.js

test/built-ins/Object/create/15.2.3.5-4-104.js

test/built-ins/Object/create/15.2.3.5-4-107.js

test/built-ins/Object/create/15.2.3.5-4-108.js

test/built-ins/Object/create/15.2.3.5-4-109.js

test/built-ins/Object/create/15.2.3.5-4-110.js

test/built-ins/Object/create/15.2.3.5-4-111.js

test/built-ins/Object/create/15.2.3.5-4-125.js

test/built-ins/Object/create/15.2.3.5-4-126.js

test/built-ins/Object/create/15.2.3.5-4-128.js

test/built-ins/Object/create/15.2.3.5-4-129.js

test/built-ins/Object/create/15.2.3.5-4-130.js

test/built-ins/Object/create/15.2.3.5-4-131.js

test/built-ins/Object/create/15.2.3.5-4-132.js

test/built-ins/Object/create/15.2.3.5-4-135.js

test/built-ins/Object/create/15.2.3.5-4-179.js

test/built-ins/Object/create/15.2.3.5-4-188.js

test/built-ins/Object/create/15.2.3.5-4-189.js