* Update API baseline for 5.7 to 5.6.0.201912101111-r

* Upgrade maven-jar-plugin to 3.2.0
* Upgrade maven-source-plugin to 3.2.0

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

* Merge branch 'stable-5.2'

* RawParseUtils: Avoid import of java.nio.charset.StandardCharsets
* Consistently import constants from StandardCharsets as static
* LocalDiskRepositoryTestCase#createRepository: Default auto-close to false
* UploadPack: Suppress false-positive resource leak warning

* Update list of committers
* Add new ssh bundles to Maven central scripts
* Update maven site reports

* Add protocol v2 support in "jgit daemon"
* Teach UploadPack "ofs-delta" in "fetch"

* AdvertiseErrorTest: Open Transport in try-with-resource
* AddCommandTest: Open PrintWriter in try-with-resource
* FileBasedConfigTest: Open FileOutputStream in try-with-resource
* WalkRemoteObjectDatabase: Open auto-closeable resources in try-with-resource
* TransportSftp: Open BufferedReader in try-with-resource
* ReflogReaderTest: Open FileOutputStream in try-with-resource
* ReflogReaderTest: Fix indentation
* ReflogWriterTest: Open FileInputStream in try-with-resource
* TransportHttp: Open auto-closeable resources in try-with-resource
* RebaseCommandTest: Open BufferedReader in try-with-resource
* DirCacheCGitCompatabilityTest: Open BufferedReader in try-with-resource
* LockFile: Open FileInputStream in try-with-resource
* CheckoutCommandTest: Open FileInputStream in try-with-resource
* SmudgeFilter: Fix Integer boxing warning
* Add ConfigConstants.CONFIG_SECTION_LFS

* Configure Semaphore used in TestRequestLog to be fair
* Fix indentation in TestRequestLog

* Yet another work-around for a Jsch bug: timeouts

* Implement CommandRef.toString() to help debugging

* Upgrade maven-pmd-plugin to latest version

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

* Merge branch 'stable-4.5'

* Add missing @since tags for new API

* Fix javadoc errors and unused imports introduced by ddd0fe25

* DirCacheCheckoutTest: Open Git and TreeWalk in try-with-resource
* CommitCommand: Remove declaration of unthrown exception
* Branch: Fix variable hiding warning
* ApplyCommandTest: Open Git in try-with-resource
* PackFileTest: Open ObjectInserter.Formatter in try-with-resource

* debug-rebuild-ref-tree: Simple program to build a RefTree
* RefTree: Store references in a Git tree

* Merge branch 'stable-4.0'

* diff: Optimize single line edits
* blame: Reduce running time ~4.5% by skipping common subtrees
* blame: Micro optimize blob lookup in tree
* blame: Automatically increase commit abbreviation length
* Blame correctly in the presence of conflicting merges

* Add missing resources from source.. in build.properties

* Propagate IOException where possible when getting refs.

* Don't treat "/" as valid ignore pattern

* Remove some unnecessary dependencies on FileRepostory

* Speed up PathFilterGroup for large sets of paths
* Add test case for PathFilterGroup

* Define a tree filter for user-visible changes between two indexes

* Update jgit's last release version for API change reports

* Expose unmerged paths when revert fails

* RFC: Ugly fix for i18n of metaVar CLI arguments