* Update slf4j to 1.7.30
* Update Orbit to S20201027182932 (2020-12 M2)

* Remove use of org.bouncycastle.util.encoders.Hex
* Remove use of org.bouncycastle.util.io.TeeOutputStream

* Merge branch 'stable-5.4' into stable-5.5

* NetscapeCookieFile: Make hash static and group overloaded write
* NetscapeCookieFile: Javadoc fixes
* Config: Handle reference-equality warning (and empty javadoc)
* Error Prone: Increase severity of ShortCircuitBoolean to ERROR
* ObjectWalk: Prefer boolean operators over logical operators in comparisons
* BasePackFetchConnection: Prefer boolean operators over logical operators in comparisons
* PackWriter: Prefer boolean operators over logical operators in comparisons

* pgm: Fix missing braces in Push.run()
* pgm: Handle exceptions in Push command
* pgm: Fix missing braces in MergeBase.run()
* pgm: Handle IOException in MergeBase command
* pgm: Fix missing braces in Merge command
* pgm: Handle exceptions in Merge command
* pgm: Fix missing braces in LsTree.run()
* pgm: Handle exceptions in LsTree command
* pgm: Fix missing braces in LsRemote.run()
* pgm: Handle exceptions in LsRemote command
* pgm: Handle exceptions in LsFiles command
* pgm: Fix missing braces in Log.run()
* pgm: Handle exceptions in Log command
* pgm: Handle exceptions in Init command
* pgm: Handle IOException in IndexPack command
* pgm: Fix missing braces in Fetch.run()
* pgm: Handle IOException in Fetch command
* pgm: Handle GitAPIException in Gc command
* pgm: Fix missing braces in DiffTree.run()
* pgm: Handle exceptions in DiffTree command

* JGit v4.9.8.201812241815-r
* UploadPack: Test filtering by AdvertiseRefsHook in stateless transports

* Merge branch 'stable-5.0'

* 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

* HookMessageTest: Open Transport in try-with-resource
* GitSmartHttpTools: Open OutputStream in try-with-resource

* GC: Merge if statement with the enclosing one
* GC: Replace Files methods with File alternatives
* GC: Replace anonymous classes with lambdas
* GC: Simplify lambda
* GC: Simplify reference equals() method

* Fix file handle leak in FetchCommand#fetchSubmodules

* PackInserter: Implement newReader()
* Move some strings from DfsText to JGitText
* FileRepository: Add pack-based inserter implementation
* ObjectDirectory: Factor a method to close open pack handles
* ObjectDirectory: Remove last modified check in insertPack

* Add connectivity check from references

* Update minimum JDK version in README

* Enhance FS.runProcess() to support stdin-redirection and binary data

* Deprecate TemporaryBuffer.LocalFile without parent directory
* Switch FileHeader.extractFileLines to TemporaryBuffer.Heap
* AmazonS3: Buffer pushed pack content under $GIT_DIR
* DirCache: Buffer TREE extension to $GIT_DIR

* Update Maven JAR plugins

* Add missing javadoc for archive code
* Remove unused import in Archive
* Drop unnecessary "throws" clauses in archive code
* Move FormatActivator.start()/stop() to a separate class

* Add missing Bundle-Localization header

* Make GC more robust against corrupt reflogs

* RevWalk support for shallow clones

* Adds DiffEntry.scan(TreeWalk, boolean) method

* Fix CloneCommand not to fetch into remote tracking branches when bare
* Make sure test repositories are closed
* Ensure the HTTP request is fully consumed
* Change EditList to extend ArrayList
* jgit.sh: Implement pager support
* DHT: Fix thread-safety issue in AbstractWriteBuffer
* DHT: Support removing a repository name