* Removed unused imports

* Bump required Bazel version to 2.1.0
* Upgrade bazlets to the latest master revision
* Change the wildcard import to explicit ones.

* JGit pgm tests must quote paths on the command line

* JGit v5.1.8.201906050907-r
* Test detecting modified packfiles
* Enhance fsTick() to use filesystem timer resolution
* Add debug trace to measure time needed to open pack index

* UploadPack: Read wanted refs in one shot

* RefUpdateTest: Refactor to not use deprecated Repository#getAllRefs

* Ensure DirectoryStream is closed promptly

* RawTextTest#testBinary: use array comparison to compare arrays

* Use constant for ".lock"
* Simplify locking of FileRepository's index snapshot

* Update to latest Photon Orbit R20180606145124

* Remove deprecated StreamCopyThread#flush
* Remove deprecated SafeBufferedOutputStream
* Remove deprecated EolCanonicalizingInputStream
* Remove deprecated FileUtils#relativize(String, String)
* Remove deprecated FileUtil using Java 7 NIO

* FileSnapshotTest: Open FileOutputStream in try-with-resource
* FileSender: Open OutputStream in try-with-resource
* FileRepository: Open FileInputStream in try-with-resource
* FileLfsServlet: Open PrintWriter in try-with-resource
* FetchProcess: Open OutputStreamWriter in try-with-resource

* Merge branch 'stable-4.9'

* DfsBlockCache#creditSpace: release clockLock in finally block
* ArchiveTest: Check result of BufferedInputStream#skip
* FS_POSIX: Fix boxing/unboxing of Boolean
* Use constants from StandardCharsets instead of hard-coded strings
* LfsServerText: Fix formatting of invalidPathInfo message
* InvalidLongObjectIdException: Fix formatting of message
* Move repeated LFS Gson handling to common class
* DownloadTest: Use ExpectedException instead of try..catch..fail

* Merge branch 'stable-4.6' into stable-4.7

* Use read ahead during copyPackThroughCache

* PullCommand: Add support for recursing into submodules

* Prepare 4.7.0-SNAPSHOT builds

* Fix DirCacheCheckout to return CheckoutConflictException

* Replace call to deprecated RevWalk.release() in DescribeCommand

* Update Luna target platform to use Luna M5 orbit repository

* Use absolute paths for file:// URIs in tests
* Use getPath() in FileResolverTest
* Extract protocol constants to a common class
* Move repeat() to utility class for tests
* Remove hardcoded target/trash from test cases
* Remove dependency on StatusCommandTest
* Remove dependency on DiffFormatterReflowTest
* Remove unnecessary import of BaseConnection in MessageWriter

* Added new Status CLI command 'jgit status'

* Add DeleteTagCommand to JGit API