* Fix capitalization of command help summaries

* Merge branch 'stable-4.8'

* SubmoduleUpdateCommand#setCallback should return 'this'

* CloneCommand#setCallback should return 'this'

* Defer object collision check until pack stream is done

* Merge branch 'stable-4.7' into stable-4.8

* Prepare 4.7.2-SNAPSHOT builds

* Merge branch 'stable-4.7' into stable-4.8

* JGit v4.7.1.201706071930-r

* ArchiveCommand: Create prefix entry with commit time

* Merge branch 'stable-4.7' into stable-4.8

* Run auto GC in the background

* fetch: Accept any SHA-1 on lhs of refspec

* Update Orbit to the Oxygen version R20170516192513

* Prepare 4.9.0-SNAPSHOT builds

* Merge branch 'master' into stable-4.8

* Fix out-of-bounds exception in RepoCommand#relative

* Fix null return from FS.readPipe when command fails to launch

* RenameDetector: Clarify rename limits <= 0

* Remove unnecessary cast for DfsReader

* Fix javadoc of TooLargeObjectInPackException

* Allow DfsReader to be subclassed

* Track read IO for DfsReader

* Exclude refs/tags from bitmap commit selection

* Merge branch 'stable-4.8'

* Prepare 4.8.0-SNAPSHOT builds

* JGit v4.8.0.201705170830-rc1

* [findBugs] Use UTF-8 to write to the error stream in TextProgressMonitor
* [findBugs] Use UTF-8 to read git-rebase-todo file
* [findBugs] Use UTF-8 when writing to the error stream in GitHook
* [findBugs] Use UTF-8 when writing to the error stream in jgit pgm

* Add shutdown hook to cleanup unfinished clone when JVM is killed

* Clean up the disk when cloning fails

* Upgrade japicmp-maven-plugin to latest version

* Upgrade maven-pmd-plugin to latest version

* Remove unused clirr-maven-plugin from LFS pom.xml files

* Update jetty to 9.4.5

* Specify minimum Maven version in pom.xml

* Checkout should not use too long filenames

* Support pull on detached HEAD

* Reset ObjectWalker when it starts a new walk

* Fix stack overflow in MergeBaseGenerator

* Clone: add --recurse-submodules option

* Fix unnecessary type paramaters

* Delete expired garbage even when there is no GC pack present.

* Update eclipse-jarsigner-plugin to 1.1.4

* Add parseCommit(AnyObjectId) method to Repository.

* RepoCommand: Add linkfile support.

* Add some tests for alternates

* Process all "have"s even when MissingObjectException is encountered

* Prevent alternates loop

* Add missing @since tag for new API RepoCommand.setTargetURI()

* Update Maven plugins