* UploadPackTest: Fix name hiding introduced by If72b4b422
* Suppress non-localized string warnings introduced by If72b4b422

* Fix out-of-bounds exception in RepoCommand#relative

* SHA-1: collision detection support

* Use AtomicObjectOutputStream in CleanFilter

* Fix CheckoutCommand to return updated files even on NONDELETED status

* Prepare 4.4.0-SNAPSHOT builds

* Remove repository from cache when it's closed
* Fix RefDirectory not closing resources
* Fix repository cache never closing repository

* NoteMapTest: Open TreeWalk instances in try-with-resource
* ObjectDirectoryTest: Fix warnings about variable hiding
* PackWriterTest: Open RevWalk in try-with-resource
* PatchIdDiffFormatterTest: Open Git and PatchIdDiffFormatter in try-with-resource
* PathSuffixFilterTest: Open TreeWalk in try-with-resource
* PostOrderTreeWalkTest: Open TreeWalk in try-with-resource
* PullCommandWithRebaseTest: Open RevWalk in try-with-resource
* PushCommandTest: Open Git instances in try-with-resource
* RacyGitTests: Open NameConflictTreeWalk in try-with-resource
* RecursiveMergerTest: Open TreeWalk and BufferedReader in try-with-resource
* ReflogConfigTest: refactor commit method to avoid variable hiding
* Update .mailmap
* RefDirectoryTest: Fix warning about member variable hiding
* ReflogResolveTest: Open Git instances in try-with-resource
* ReflogTest: Open Git instances in try-with-resource
* RepoCommandTest: Open Git instances in try-with-resource

* Null-annotated RefDatabase class

* Buffer overflow output stream
* Fix overflow stream leak during merge conflicts
* Use local GIT_DIR for overflow during merge conflicts
* Use try-with-resources and BufferedOutputStream for local merge conflicts
* Optimize EolAwareOutputStream for bulk output

* Document that repo returned by SubmoduleAddCommand needs to be closed
* Document that Git instance returned by CloneCommand needs to be closed

* Expose the received pack size in ReceivePack

* Add a missing since tag

* Fix FIXUP error for blank lines in interactive rebase

* Introduce Kepler and Luna target platform

* Fix NPE FS_Win32 when looking up git executable and home directory avoiding redundant code

* Ignore non-commit refs when in RevWalkUtils.findBranchesReachableFrom

* Update maven plugin versions

* Deprecate GitIndex more by using only DirCache internally.