* BatchRefUpdate: repro racy atomic update, and fix it
* Delete unused FileTreeIteratorWithTimeControl
* Fix RacyGitTests#testRacyGitDetection
* Change RacyGitTests to create a racy git situation in a stable way
* Silence API warnings
* Implement toString in MockSystemReader and MockConfig
* LocalDiskRefTreeDatabaseTest shall use MockSystemReader
* Ensure LocalDiskRepositoryTestCase#setup fully uses MockSystemReader
* Ensure we use MockSystemReader in tests
* Override FileBasedConfig's save method in MockConfig
* Remove FileBasedConfig.load(boolean) introduced in d45219ba
* Disable debug log for FS in org.eclipse.jgit.test
* Fix org.eclipse.jdt.core.prefs of org.eclipse.jgit.junit
* Add missing javadoc in org.eclipse.jgit.junit
* Enhance RepeatRule to report number of failures at the end
* Fix FileSnapshotTests for filesystem with high timestamp resolution
* Retry deleting test files in FileBasedConfigTest
* Measure filesystem timestamp resolution already in test setup
* Refactor FileSnapshotTest to use NIO APIs
* Measure stored timestamp resolution instead of time to touch file
* Ignore warning that tests don't export all packages
* Ensure all packages are exported
* Delete unused API problem filters
* Walk tag chains for --include-tag options