Fixing android platform template for 3.2 update

I am just manually applying the necessary minumum changes to get it
running for now.  We should absolutely overwrite our whole template with
the latest upstream version and re-apply our diffs.  Would be nice to
come up with a more scalable approach in the future.
removing .core. from cordova plugins
Merge branch 'master' of https://github.com/MobileChromeApps/chrome-cordova