Fix bug http://code.google.com/p/v8/issues/detail?id=659. Move the limits check for date before the time zone offset is applied.

Review URL: http://codereview.chromium.org/1075016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4232 ce2b1a6d-e550-0410-aec6-3dcde31c8c00