Update the npapi plugin to support OSX. Also, adds a proper make crx step.

Review at http://gwt-code-reviews.appspot.com/1036801


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9128 8db76d5a-ed1c-0410-87a9-c151d255dfc7
15 files changed