adapt to new libfirm revision
Adapt to libfirm API changes (80f9638213f614b9321047b9f66effb03dca95ca).
adapt to latest libfirm version
call RTA optimization
adjust to new RTA API version
implement RTA callback functions
don't forget to add constructor and class initialization methods for classes that are always considered live (e.g. because they are instantiated in native code in the standard library)
need different RTA entry points and initial live classes for simplert and gcj
removed debug output
removed creation detection callback because the new VptrIsSet node is now used to detect object creation
adapted to libfirm changes