Add -ea to java invocations in build.xml

Also fail if "builtins" target failed to complete successfully
Test for "KT-3769 Find usages gives no result for overrides"

 #KT-3769 Obsolete
Minor: add public modifier
Refactoring: remove unused jvmInternalName from KotlinPackageLightClassData
Refactoring: remove unnecessary constructors (prepare for injectors)
Refactoring: hide fact of using injector inside lazy resolve session
Refactoring: use injector for creating lazy resolve session
Use lazy analysis in Safe Delete
Use lazy analysis in usage type provider
Call Hierarchy: Use lazy analysis
 #KT-4492 Fixed
Introduce Variable: Use lazy analysis
 #KT-3651 Fixed
Fix warnings
Change Signature: Use lazy analysis
Use lazy analysis in intention actions
Override/Implement methods: Use lazy analysis
Go to Super: Use lazy analysis
Use lazy analysis in live templates
Use lazy analysis in DataFlowValueRenderingTest
Specify type explicitly: Add tests
Remove unjustified assertion