Ignored android's gen folder andr project.properties created by IntelliJ
Upgraded Gradle wrapper version
Added Android library descriptor file and template properties to compile it.
Removed tmpl extension from templates so IDEs can detect the type easily.
Added basic functionalities in as3 library to initialise extension, determine if supported by current platform and retrieve the current version
Upgraded Android plugin version. Added dependency to play-services library.
Updated build configuration so that all information about the library will be configured in the template properties
Updated the AndroidManifest with the basic information needed by the library
Avoided bloating the final extension.
Changed the build script to create a lean version of the play-services (relevant classes to include identified through Class Dependency Analyzer).
Copying only the relevant resource files to be included.
Created basic native Android support to determine if the extension is supported and it's version.