* RepositoryCache: simplify code

* Add missing @Override found by ErrorProne

* Deprecate SafeBufferedOutputStream

* Support {get,set}GitwebDescription on InMemoryRepository

* Organize imports

* Add {get,set}GitwebDescription to Repository

* Don't serialize internal hash collision chain link

* Reduce synchronized scope around ConcurrentHashMap

* FileLfsServlet: Make sendError protected
* Make ObjectUploadListener public

* StreamCopyThread: Remove unused AtomicInteger import

* Extract insecure Cipher factory

* Get rid of SoftReference in RepositoryCache

* StreamCopyThread: flush cannot interrupt a write
* StreamCopyThread: Remove unnecessary flushCount

* Switch JSchSession to simple isolated OutputStream

* WalkEncryption: Cleanup Java 8 support

* Check that DfsBlockCache#blockSize is a power of 2

* Fix loop in auto gc

* Update buck to latest version

* StreamCopyThread: Do not drop data when flush is observed before writing

* StreamCopyThread: Do not let flush interrupt a write

* Fix flush call race condition in StreamCopyThread

* Use AtomicObjectOutputStream in CleanFilter

* CleanFilter: use atomic move to move temporary file to media file

* Fix temporary file leak in CleanFilter

* Use AnyLongObjectId instead of LongObjectId in LFS API

* Speedup CleanFilter by transferring data in chunks of 8k

* Add missing @since tag for new protected field in ObjectReader

* Make streamFileThreshold configurable

* Preserve backslashes within double quotes in CLIGitCommand::split()

* Move constants used for config-files to ConfigConstants
* Implement auto gc

* CheckoutCommand: Add method to add multiple paths
* Checkout: Add the ability to checkout all paths.

* Fix possible SIOOBE in RefDirectory.parsePackedRefs

* TransportBundleFile: Resolve remote repository locally

* TreeFormatter: disallow empty filenames in trees

* Add "concurrencyLevel" option to DfsBlockCache

* DiffCommandTest: Don't call toString on String instances
* FileNameMatcherTest: Use Character.valueOf rather than new Character
* ArchiveTest: Don't use string concatenation in loop
* CLIRepositoryTestCase: Remove unused 'trash' member
* Merge branch 'stable-4.5'

* Config: do not add spaces before units

* Use valueOf rather than constructor for Integer and Boolean
* FS: Fix lazy initialization of non-volatile static field
* PackOutputStream: Add comment for intentional use of non-short-circuit logic

* Git{Add|Clone}Task: Catch specific exceptions rather than Exception

* Main: Add missing $NON-NLS tag

* Status: remove unused lineFormat member

* LfsStore: Don't invoke toString on String variable

* Upgrade buck to 7b7817c48f

* Fix JGit CLI to follow native git's interpretation of http_proxy...

* Merge branch 'stable-4.5'

* Unconditionally close repositories in RepositoryCache.clear()

* HttpClientConnection: Register connection socket factory for http
* Add dependency to org.apache.commons.logging used by Apache HttpClient

* Content type constants used in lfs should be final

* AmazonS3: ensure that errorStream is closed

* Add toString() to CherryPickCommand and ResetCommand