* 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

* Use try-with-resources in SubmoduleWalk

* Avoid NPE in ObjectId.isId()

* Upgrade error_prone_core to 2.3.3

* pgm: Fix missing braces in Version.run()

* pgm: Handle IOException in Version command
* pgm: Fix missing braces in UploadPack.run()
* pgm: Handle IOException in UploadPack command
* pgm: Handle exceptions in Tag command
* pgm: Fix missing braces in Status.run()
* pgm: Handle exceptions in Status command
* pgm: Fix missing braces in ShowRef.run()
* pgm: Handle IOException in ShowRef command
* pgm: Fix missing braces in Show.run()
* pgm: Handle exceptions in Show command
* pgm: Fix missing braces in Rm command
* pgm: Handle GitAPIException in Rm command
* pgm: Handle exceptions in RevParse command
* pgm: Externalize error message

* Prepare 4.7.8-SNAPSHOT builds

* DfsFsck: Check that .gitmodules in the repository have valid contents
* FsckError.CorruptObject: Use @Nullable constructor for errorType
* SubmoduleValidator: Always throw SubmoduleValidationException

* Remove deprecated TreeWalk#getEolStreamType
* Remove deprecated FileTreeIterator(WorkingTreeIterator, File, FS)
* Remove deprecated TransportHttp#httpOpen(String, URL)
* Remove deprecated ResolveMerger#processEntry method
* Remove deprecated Repository#getRef
* Remove deprecated BitmapBuilder#add

* Remove workaround for bug in Java's ReferenceQueue

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

* JGit v4.4.0.201606070830-r

* RefTree: Change peel suffix to " ^" (space carrot)
* FileRepository: Support extensions.refsBackendType = RefTree
* RefTreeDatabase: Ref database using refs/txn/committed

* PushCertificate: Add toTextWithSignature() method
* PushCertificateParser: Add fromString method
* BaseReceivePack: Add method to override the push cert
* BaseReceivePack: Don't throw from getPushCertificate()
* PushCertificateStore: Return boolean from batch save methods
* Allow saving push certs on a subset of refs

* Update Mars target platforms to use Mars RC2 orbit

* Better way to handle relative URLs in manifest XML

* Fix ObjectChecker when normalization is enabled
* Abbreviate SHA-1s when reporting invalid objects
* Throw CorruptObjectException when a bad object is found

* Test the reflog message for commit, cherry-pick, revert and merge
* Append merge strategy to reflog message
* Fix the reflog prefix for cherry-pick, revert and merge commands