Eclipse JGit: Java implementation of Git 3.7.0

Features

• Add basic support for .gitattributes

• Use slf4j for logging

• Introduce hook support into the FS implementations (on Posix and Cygwin)
• Support for the pre-commit hook
• JGit command line: add option --orphan for checkout command

• Provide more details in exceptions thrown when packfile is invalid

Release Engineering

• Update build to Tycho 0.22.