jsmin does not have our copyright header and shouldn't have.  Exclude it from the presubmit check.
jsmin does not have our copyright header and shouldn't have.  Exclude
it from the presubmit check.

Review URL: http://codereview.chromium.org/19424

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@1180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh