JBR API frontend is moved into a separate repository.
Rewritten proxy generation, bridges removed, invokedynamic is used instead.
Mapping is now specified using annotations.
Support for extension methods.
Support for arrays and generics.
Added JBR API implementation version.
JBR-7232 Refactor deriveFontWithFeatures & JBRFileDialog JBR API
(cherry picked from commit a4804efa96)