=BG= .min.js not in main for bower

convention is to not have the minified file as part of the `main` definition. This would cause users of `bower-main-files` in their app build process to include both, which will result in bloated `vendor.js`, and could lead to indeterminate behaviour.
Merge pull request #19 from bguiz/patch-1

=BG= .min.js not in main for bower