Added headroom.js

Added both the development and production version 0.5.0.
Added the package.json
Added the filename to the package.json

* Added the filename.
* Cleaned up the extra lines at the end of the files.
Added jQuery and Angular plugins

Added the plugins in both the development and production distributions.
Tweak headroom package.json

Fix name and remove grunt scripts, for now
Paring back headroom package.json

npm test checks out, Travis fails.
Errant comma in headroom package.json
Merge pull request #3167 from cdnjs/pr/3162

Pr/3162