Add a "main" file to the Bower manifest.
Add a "main" file to the Bower manifest.

Progress on #74.

nicksay/spfjs,scrapp-uk/spfjs,tchiotludo/spfjs,theanh/spfjs,nicksay/spfjs,nicksay/spfjs,theanh/spfjs,scrapp-uk/spfjs,nicksay/spfjs,scrapp-uk/spfjs,theanh/spfjs,youtube/spfjs,tchiotludo/spfjs,theanh/spfjs,tchiotludo/spfjs,scrapp-uk/spfjs,youtube/spfjs,nicksay/spfjs,scrapp-uk/spfjs,tchiotludo/spfjs,youtube/spfjs,youtube/spfjs,theanh/spfjs,tchiotludo/spfjs,youtube/spfjs