* Bazel: Remove unused dependencies flagged by unused_deps
* Bazel: Format build file with buildifier

* [errorprone] FetchProcess: ensure exception isn't suppressed

* RefTreeBatch: fix unclosed resource warning
* CherryPickCommand: fix unclosed resource warning

* Prepare 6.0.0-SNAPSHOT builds

* Prepare 5.1.12-SNAPSHOT builds

* 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 v5.2.0.201812061821-r

* Merge branch 'stable-5.0' into stable-5.1

* Merge branch 'stable-5.0'

* Merge branch 'stable-5.0'

* Write packed-refs directly when cloning

* PackInserterTest: Prevent potential NPE dereferencing Path.getFileName()

* 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

* Bazel: Restrict src globs to Java source files

* Pack bitmaps: improve readability

* Add launchers for running tests with Java 8
* Make sure we include the Java 7 module in tests when using JDK 8

* RevWalk: Add link to parseHeaders/parseBody in Javadoc of lookupCommit

* PackWriter: Skip progress messages on fast operations
* IndexPack: Defer the "Resolving deltas" progress meter
* IndexPack: Fix "Resolving deltas" progress meter