Adding Gradle tasks to copy embedded assets

[AnsiV01]

Adding two new Gradle tasks:

• "copyInbuildAssetsAsResources", which copies embedded resources from the base JAR file (if one is in the default installation path) and adds them to the project as resources, so that they are added to the new JAR file during compilation.
• "copyInbuildAssetsToJar", which works similarly to the above, except that instead of adding the resources to the project as resources, it adds them to the new JAR file created when you run the "build" task.

Both tasks are designed to skip the 'fun' of manually copying resources using any archive manager. Both tasks are optional and are not required to run the