* Teach UploadPack "ref-prefix" in "ls-refs"
* UploadPack: Don't buffer ls-refs output
* Implement ls-refs in UploadPack

* 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'

* Ignore warning for minor version change without API change

* reftable: reserve standard PackExt
* reftable: resolve symbolic references
* reftable: support threshold based compaction
* reftable: compact merged tables
* reftable: merge-join reftables
* reftable: lookup by ObjectId unit tests
* reftable: reflog unit tests
* reftable: namespace unit tests
* reftable: bulk operation unit tests
* reftable: basic functionality unit tests
* reftable: debug tools
* reftable: scan and lookup reftable files
* reftable: create and write reftable files
* reftable: file format documentation

* JGit v4.8.0.201706111038-r

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

* ReceivePack: report protocol parsing failures on channel 3
* ReceivePack: catch InvalidObjectIdException while parsing shallow
* ReceivePack: remove unnecessary try-catch around parseCommand
* ReceivePack: enable capabilities immediately on first line

* MergeCommandTest: Use JUnit's assume to check preconditions
* MergeCommandTest: Open Git instances in try-with-resource

* RefUpdateTest: Use try-with-resource for auto-closable types

* Fix classpath of test launch configurations
* Avoid UnknownHostException in WalkEncryptionTest

* Fix a javadoc typo in RepoProject.

* Support the new repository layout for submodules
* Allow explicit configuration of git directory in CloneCommand
* Allow explicit configuration of git directory in InitCommand

* Added toString() methods for better debugging of ignore rules

* JGit v3.4.1.201406201815-r

* Add org.eclipse.jgit.pgm.Reset to commands catalog

* Add the an event and listener for a dfs PackIndex being loaded.

* Configure maven-source-plugin execution in parent POM

* Try to send HTTP error messages over sideband
* Extract the capability parsing logic in {Upload,Receive}Pack
* Make capability strings in BasePack{Fetch,Push}Connection public
* Fix a typo in "capabilities" in ReceivePack

* Add support for creating a stashed commit

* Fix resolution of tree when path is empty