* BitmappedReachabilityChecker: Use only one bitmap for the whole check
* checkNotAdvertisedWants: Be lazy converting Ref to RevCommit
* ReachabilityChecker: Receive a Stream instead of a Collection
* UploadPack: Prioritize references for non-advertised wants checks
* RefDatabase: Remove fallback exactRef implementation
* RefDirectory: Fire RefsChangedEvent on error, too
* RefDirectory: Refactor getRef and exactRef to share code
* MergeFormatter{Pass}: Use Charset instead of String
* Deprecate Constants.CHARACTER_ENCODING in favor of StandardCharsets.UTF_8
* Bazel: Increase severity of MissingFail to ERROR
* TestProtocolTest: Add missing calls to fail()
* WorkingTreeIterator#idSubmodule: Refactor to open Repository in try-with-resource
* UploadPack: Suppress resource warning about PackWriter
* ShowPackDelta: Refactor to use try-with-resource
* SubmoduleWalk#forIndex: Suppress resource warning and update Javadoc
* SubmoduleWalk: Open Repository in try-with-resource
* RepositoryFilter: Refactor doFilter to open Repository in try-with-resource