IDEA-112366 ("For loop with missing components": Can't ignore ListIterator)
Cidr: isAppCode replaced with isCidr in common places
drop caches on low memory + make field volatile for correct interthread visibility
more compact variable length encoding of records in value storage
new api / impl for processing keys in filebased / stub index and processing names in goto file/class.
use new api for better candidates (belonging to navigatable scope)
[diff] cleanup, nullity, remove unused methods, use String.format
[diff] use more clear name for the method
proper logging