Add codegen tests for local classes/objects declated in class initializers or class parameter initializers
Tests for additional lazy resolve (local classes/objects in class initializers)
Translate KotlinFindClassUsagesHandler to Kotlin
Translate JetImportFilteringRule to Kotlin
Translate KotlinTypeParameterFindUsagesHandler to Kotlin
Drop class inheritors searcher as it became deprecated after light classes improvements
Implement hierarchical search
Implement overriders search
Use overriders search in "Find Usages"
Fix warnings
Extract methods for conversion between Kotlin declarations and light
methods
Implement "Override hierarchy" view