(will be used later)

 #KT-1137 fixed

... and compute "kotlin" flag in ResolverScopeData

 #KT-1666 fixed

Implemented better rendering for parameters with default values in decompiler and descriptor renderer.

 #KT-1582 fixed

 #EA-35266 fixed

 #KT-1676 fixed

include jdk-headers, do not include runtime

unfortunately I couldn't write test that proves this code is wrong

(using JetJavaMirrorMaker)

... and fix test
... and remove junk code