Bug fix on Proguard & Java reflection in JD-Core

Prepare JD-GUI 1.6.1, JD-Core 1.0.5

Java 9 support

Add AAR file support.

Add JMOD file support.
Fix Minor bugs.

Update JD-GUI version to 1.5.1

Update JD-Core version to 1.0.2

Cleanup

Update JD-GUI version

Remove Groovy from the project

Add Java 9+ compatibility

Prepares 1.4.0