[phonegap] Add QS to repo
[phonegap] Add build.bash script
Merge pull request #389 from phvannor/phonegap

Add Phonegap QS into repo
Update iOS and Android ext projects to use aliased version of Xamarin.Auth to avoid conflicts
Merge pull request #394 from paulbatum/xamarinauth

Update iOS and Android managed projects to use aliased version of Xamarin.Auth