test refactoring: extracting utilities/simplifications
rollback workaround for fixed issue
Testing hierarchy: refactoring, clean up
(also hierarchy utils are moved into test utils)
AnnotationIndexTest - refactoring, cleanup

using test utilities, no need for workaround for IDEA buggy annotations, testing fields as well
utility for dumping class hierarchy into GDL format
(to rebase) - showing full names for classes
utility to dump method hierarchy into GDL
utility to dump strongly connected components of a jar to GDL file
initial artefacts to infer annotations for android SDK