* NoteMapTest: Open TreeWalk instances in try-with-resource
* ObjectDirectoryTest: Fix warnings about variable hiding
* PackWriterTest: Open RevWalk in try-with-resource
* PatchIdDiffFormatterTest: Open Git and PatchIdDiffFormatter in try-with-resource
* PathSuffixFilterTest: Open TreeWalk in try-with-resource
* PostOrderTreeWalkTest: Open TreeWalk in try-with-resource
* PullCommandWithRebaseTest: Open RevWalk in try-with-resource
* PushCommandTest: Open Git instances in try-with-resource
* RacyGitTests: Open NameConflictTreeWalk in try-with-resource
* RecursiveMergerTest: Open TreeWalk and BufferedReader in try-with-resource
* ReflogConfigTest: refactor commit method to avoid variable hiding
* Update .mailmap
* RefDirectoryTest: Fix warning about member variable hiding
* ReflogResolveTest: Open Git instances in try-with-resource
* ReflogTest: Open Git instances in try-with-resource
* RepoCommandTest: Open Git instances in try-with-resource
* FS: Allow to manually set the path to the Git system config file
* FS: Fix a minor typo in runInShell() docs
* FS: Improve javadoc of some recently introduced methods
* Add a launcher for Java 7 tests
* Remove obsolete getRepositoryMethod from WorkingTreeIterator
* Fix NPE when WorkingTreeIterator does not have a repository set