JDF-368 kitchensink-cordova Android upgrade Cordova lib to v2.7.0

Also changed UserAgent detection to be more lenient since the iOS simulator
adds more information to the UA string.
Modify README file internal links to use generated anchors. Remove hard-coded anchors. Fixed obsolete links and other markdown rendering problems.
[JDF-295] - Initial code for the HTTP Basic quickstart.
[JDF-296] - Add a quickstart showing how to use HTTP DIGEST auth with PicketLink.
[JDF-300] - Add a quickstart showing how to do 2 factor authentication with PicketLink.
[JDF-300] - Refactoring packages.
[JDF-295] - Refactoring packages.
[JDF-296] - Refactoring packages.
[JDF-300] - Small improvements.
[JDF-295] - Pages were defining the content inside head element. Changed to body instead.
[JDF-296] - Pages were defining the content inside head element. Changed to body instead.
[JDF-300] - Pages were defining the content inside head element. Changed to body instead.
[JDF-295] - Fixing typo.
[JDF-296] - Fixing typo.
[JDF-300] - Fixing typo.
[JDF-316] - Add a quickstart showing the use of multi-tennancy with PicketLink IDM.
[JDF-316] - Refactoring packages.
[JDF-292] - Add a quickstart showing how to authenticate over REST.
[JDF-292] - Adding link to PicketLink documentation.
[JDF-292] - Fixing indentation and removing unnecessary tag.