The strict mode tests were disabled until now.
The propagation of strict mode flag into eval enabled them but there are
failures due to unimplemented features of strict mode, as well as some
incorrect tests in the suite.

TBR=ager@chromium.org, lrn@chromium.org

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6654 ce2b1a6d-e550-0410-aec6-3dcde31c8c00