Added presubmit step to check copyright. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@242 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@123 ce2b1a6d-e550-0410-aec6-3dcde31c8c00