Check in files to support ionic

We had already created a cordova project with a significant hybrid component,
so creating a new ionic project from scratch seemed like it would be a pain.
Instead, I created an ionic template and copied over the www files.

Testing it on ios appeared to work
Updated the README to reflect the additional plugins required
Merge pull request #9 from shankari/cordova-crossplatform

Add in support for the ionic javascript platform