8132092: Nashorn copyright has to be updated
Reviewed-by: jlaskey, hannesw, mhaupt

8057825: Bug in apply specialization - if an apply specialization that is available doesn't fit, a new one wouldn't be installed, if the new code generated as a specialization didn't manage to do the apply specialization. Basically changing a conditional to an unconditional.
Reviewed-by: attila, hannesw

8059443: NPE when unboxing return values
Reviewed-by: lagergren, sundar