Merge pull request #183 from bocoup/harmony-block-scope

...k-let-declaration-only-shadows-outer-parameter-value-1.js

...k-let-declaration-only-shadows-outer-parameter-value-2.js

...k-let-declaration-only-shadows-outer-parameter-value-1.js

...k-let-declaration-only-shadows-outer-parameter-value-2.js

...k-let-declaration-only-shadows-outer-parameter-value-1.js

...k-let-declaration-only-shadows-outer-parameter-value-2.js

...k-nested-block-let-declaration-unseen-outside-of-block.js

...k-let-declaration-only-shadows-outer-parameter-value-1.js

...k-let-declaration-only-shadows-outer-parameter-value-2.js

...uage/block-scope/leave/verify-context-in-finally-block.js

...age/block-scope/leave/verify-context-in-for-loop-block.js

...age/block-scope/leave/verify-context-in-labelled-block.js

...language/block-scope/leave/verify-context-in-try-block.js

test/language/block-scope/leave/x-after-break-to-label.js

test/language/block-scope/leave/x-before-continue.js

test/language/block-scope/return-from/block-const.js

test/language/block-scope/return-from/block-let.js

...cs/const/block-local-closure-get-before-initialization.js

...cal-use-before-initialization-in-declaration-statement.js

...ock-local-use-before-initialization-in-prior-statement.js