* RevWalk: new topo sort to not mix lines of history

* Revert "RevWalk: stop mixing lines of history in topo sort"

* reftable: remove assert calls

* Ignore warning that tests don't export all packages
* Ensure all packages are exported
* Delete unused API problem filters
* Walk tag chains for --include-tag options

* Track object inflation time in DfsReaderIoStats

* Update Orbit to S20190219190953

* Fix "jgit checkout -f" to overwrite dirty worktree files

* RemoteRefUpdate#toString: Fix indentation

* BaseReceivePack: Validate incoming .gitmodules files
* ObjectChecker: Report .gitmodules files found in the pack

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

* JGit v5.1.0.201809051400-rc1

* GC: Trim more EWAHCompressedBitmaps to free unused memory

* Merge branch 'stable-4.10' into stable-4.11

* DiffCommand: Open DiffFormatter in try-with-resource
* DiffAlgorithms: Open Repository in try-with-resource
* DescribeCommandTest: Open FileWriter in try-with-resource
* CommitCommand: Open InputStream in try-with-resource
* DefaultNoteMerger: Open UnionInputStream in try-with-resource

* Prevent alternates loop

* Merge branch 'stable-4.7'

* ResolveMergerTest: Add tests for content merges
* NameConflictTreeWalk: Mark repo param @Nullable

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

* Move AtomicObjectOutputStream to lfs/internal

* Shallow fetch/clone: Make --depth mean the total history depth

* Add a separate type for the identity in a push certificate
* PushCertificateParser: include begin/end lines in signature
* PushCertificateParser: throw PackProtocolException in more cases
* Extract a class for signed push configuration
* BaseReceivePack: fix reading cert lines in command loop

* Expose disposeBody() on RevCommit and RevTag
* ObjectReader: remove the walkAdvice API
* RevWalk: Discard uninteresting commits unless RevSort.BOUNDARY
* ObjectWalk: make setRetainBody(false) the default

* Buffer overflow output stream
* Fix overflow stream leak during merge conflicts
* Use local GIT_DIR for overflow during merge conflicts
* Use try-with-resources and BufferedOutputStream for local merge conflicts
* Optimize EolAwareOutputStream for bulk output

* Output result of switching branch -- o.e.jgit.pgm.Checkout

* Remove 86 boxing warnings
* Remove unnecessary boxing SuppressWarnings annotation

* JGit 1.3.0.201202151440-r