Test for KT-2017 Cannot sort list with no comparator

 #KT-2017 obsolete
Added test for KT-334 Can't use java.lang.Comparable by the short name

 #KT-334 obsolete
Test for KT-488 Implement members breaks in generic classes

 #KT-488 obsolete
Providing paths to jars via VM options, some other minor stuff.
Removed entries which are missing in JDK 6.
Restored members which were present in mock JDK, but not in generation script.
Adding nested classes in mock JDK automatically.
Removed isVar field & constructor parameter from ValueParameterDescriptorImpl, since it's always false.