Fix inconsistencies wrt whitespaces.

\u0085 (NEL) is now considered a whitespace in accordance to http://www.unicode.org/Public/6.3.0/ucd/PropList.txt

R=mstarzinger@chromium.org
BUG=v8:3109
LOG=Y

Review URL: https://codereview.chromium.org/146983007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00