[BlackBerry10] Adding support for new BlackBerry10 platform
 - Also re-introduces <lib-file> tags
 Reviewed by Bryan Higgins <bhiggins@blackberry.com>i
Add leading slash to js-modules within cordova_plugins.json

This fixes loading of modules from HTML files not in project root.
updated bb10 pull with latest dependency changes.
update to usage instructions and readme
0.7.1. fixed an issue with ios source-file installs.