our LinkedHashMap clients aren't necessarily aware that it updates its ordering on every get. Let clients specify if they need this feature (IDEA-116222)
only suppress eager psi creation when there were stubs in the file
[log] IDEA-116022 Add filter by date

Filter by commit time, because so does Git.
[log] IDEA-116056 Display commit time in details if different from author time
[log] Fix IDEA-115676 once again