Use 'hammerjs' in require define

I am trying to use jquery.hammerjs but the hammer dependency is referenced as `hammer` instead of `hammerjs` which is what the module is called on npm and bower. I wanted the name to match, so that the dependency tree resolves correctly in require.js.

I modified outro.js, ran `grunt build`, and committed, not sure why the jquery.hammer.js file is radically different. Any thoughts?