Release of 0.3.0

- Updating release notes in readme.
- Switch back to older JGit version to make tests pass.
- Update to Gradle 2.0 and Groovy 2.x version used by it.
- Updating to new ajoberstar plugin

Release of 0.2.4-milestone.1+1643463

- Switch back to older JGit version to make tests pass.
- Update to Gradle 2.0 and Groovy 2.x version used by it.
- Updating to new ajoberstar plugin

Version 0.2.3

- Support username only creds, e.g. github authtokens.
- Only try to open awt prompts in non-headless environments

Version 0.2.2

- Fixing ajoberstar#24 by using delegate first in ConfigureUtil.
- Add netcat as alternative to jna for sshagent.
- Add isAncestorOf method.

Version 0.2.2-beta

- Adding netcat support as an alternative to JNA for the sshagent socket factory.

Version 0.2.1

* Added `close()` method to `Grgit` to release resources.
* Support system properties for hardcoded credentials.
* Fix for some JNA issues when using ssh-agent.

Version 0.2.0

- Added a bunch of new operations.

Version 0.1.0

Initial release.