Merge pull request #335 from bocoup/Map

test/built-ins/Map/constructor.js

.../built-ins/Map/does-not-throw-when-set-is-not-callable.js

test/built-ins/Map/get-set-method-failure.js

test/built-ins/Map/iterable-calls-set.js

test/built-ins/Map/iterator-close-after-set-failure.js

...built-ins/Map/iterator-item-first-entry-returns-abrupt.js

...uilt-ins/Map/iterator-item-second-entry-returns-abrupt.js

...t-ins/Map/iterator-items-are-not-object-close-iterator.js

test/built-ins/Map/iterator-items-are-not-object.js

test/built-ins/Map/iterator-next-failure.js

test/built-ins/Map/iterator-value-failure.js

test/built-ins/Map/length.js

test/built-ins/Map/map-iterable-empty-does-not-call-set.js

...t-ins/Map/map-iterable-throws-when-set-is-not-callable.js

test/built-ins/Map/map-iterable.js

test/built-ins/Map/map-no-iterable-does-not-call-set.js

test/built-ins/Map/map-no-iterable.js

test/built-ins/Map/map.js

test/built-ins/Map/name.js

test/built-ins/Map/newtarget.js