Add tests on Kotlin against compiled Java+Kotlin

The original purpose was to create a test that parameter names are inherited on
a K-J-K hierarchy when "K-J" is compiled to bytecode, but that's not possible
right now because of KT-4509
A test for the case fixed in 291741754b3dcb98352968f94589ed5d51a85f6e

When Java binaries refer to Kotlin binaries, and then some Kotlin source refers to the same Kotlin binary class, we should load this class consistently
A test for the case of finding binary class for a nested Java class
Buildserver auto merge