* UploadPack: Use reachability checker to validate non-advertised wants
* BitmappedReachabilityChecker: Reachability check using bitmaps
* BitmapCalculator: Get the reachability bitmap of a commit
* ReachabilityChecker: Default implementation with a RevWalk
* Fix error log message in ObjectDirectory.handlePackError()
* Properly format pack checksums in PackFile.idx()
* Cancel gc if thread was interrupted
* PackFile: report correct message for checksum mismatch
* ObjectDirectory: Clean up logging
* Bazel: Stop using native.git_repository
* ObjectDirectory: extra logging on packfile exceptions
* JschConfigSessionFactory: Open FileInputStream in try-with-resource
* CommandCatalog: Use StandardCharsets.UTF_8
* JGitTestUtil: Open auto-closeable resources in try-with-resource
* Use StandardCharsets.UTF_8 in tests
* InfoRefsServlet: Open OutputStreamWriter in try-with-resource
* IndexDiffWithSymlinkTest: Open InputStream in try-with-resource
* HugeFileTest: Open RandomAccessFile in try-with-resource
* Add a launcher for Java 7 tests
* Remove obsolete getRepositoryMethod from WorkingTreeIterator
* Fix NPE when WorkingTreeIterator does not have a repository set