Close #962: Fixed typo in vm.runInNewContext docs.
Close #962: Fixed typo in vm.runInNewContext docs.

EDIT: Also added another typo fix to this commit. --isaacs

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node