Converted JetDeclarationJoinLinesHandler to Kotlin
Moved some code from DeclarationUtils to JetDeclarationJoinLinesHandler and refactored it
Fixed bug in join lines
Better way of changing property intiailizer used
Moved test data
Moved code from DeclarationUtils and refactored code
Moved and renamed class + added check for JetFile
KT-4849 'Join lines' should remove braces from single-statement block

 #KT-4849 Fixed
Exceptions during 'compute' in storage manager must be processed with exception strategy

 #KT-5134 Fixed
Convert Java file to Kotlin: do not ask whether to backup files

Do not backup files

 #KT-5530 Fixed
Remove warn on performing analysis from dispatch thread

This is outdated since lazy resolve can be called from dispatch thread (Intentions do it)
Fix being unable to find declaration for substituted callable from library

#KT-5900 Fixed
#KT-5901 Fixed
Fix navigation from Java to OBJECT$ and INSTANCE$ fields