* Fix generation of surefire report during site generation

* Prepare 5.1.10-SNAPSHOT builds

* 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

* Fix API problem filters

* pgm: Handle IOException in Version command
* pgm: Fix missing braces in UploadPack.run()
* pgm: Handle IOException in UploadPack command
* pgm: Handle exceptions in Tag command
* pgm: Fix missing braces in Status.run()
* pgm: Handle exceptions in Status command
* pgm: Fix missing braces in ShowRef.run()
* pgm: Handle IOException in ShowRef command
* pgm: Fix missing braces in Show.run()
* pgm: Handle exceptions in Show command
* pgm: Fix missing braces in Rm command
* pgm: Handle GitAPIException in Rm command
* pgm: Handle exceptions in RevParse command
* pgm: Externalize error message

* 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

* Merge branch 'stable-4.9'

* Expose LongMap in util package
* NB: encode and decode 24-bit ints

* ResolveMergerTest: Add tests for content merges
* NameConflictTreeWalk: Mark repo param @Nullable

* Use FS#lastModified instead of File#lastModified
* Don't check lastModified, length on folders for submodules

* Add Buck build aliases
* Update Buck version to the same version used in Gerrit master
* Fix buck classpath for tests

* JGit v4.2.0.201512141825-rc1
* Merge branch 'master' into stable-4.2

* Add support for pre-push hooks

* Prepare post 4.0.0-rc1 builds

* Use try-with-resource to close resources in GC

* TemporaryBuffer: Clear block pointer list instead of reallocating
* TemporaryBuffer: Allow presizing block pointer list

* Fix compile error due to missing dependencies and since tags

* Allow configuration of receive pack's ObjectChecker through fsck.*
* Correct fetch to use fetch.fsckObjects and transfer.fsckObjects
* Default receive.fsckObjects to transfer.fsckObjects
* Allow ReceivePack callers to configure their own ObjectChecker
* Check for duplicate names after folding case in ObjectChecker
* Change DirCacheCheckout to verify path using ObjectChecker
* Reject mixed case .git on Mac OS in ObjectChecker
* Reject special Windows device names in ObjectChecker
* Allow an ObjectChecker to reject special characters for Windows
* Reject '.git' as a tree name in ObjectChecker
* Extract path segment check function in ObjectChecker
* Permit ObjectChecker to optionally accept leading '0' in trees

* Suppport the GIT_CONFIG_NOSYSTEM environment variable

* Add tbz2 archive format

* File.renameTo behaves differently on Unix and Windows

* Fix rebase > continue when nothing left to commit.

* Generate conflicts and index updates on file mode changes

* Fix a boxing warning in org.eclipse.jgit.pgm.RevWalkTextBuiltin