Release v2.3.0

What's Changed

• add Pharo32-8.0 to travis.yml by @vonbecmann in #5
• Updated dependencies, added XML tag by @JanBliznicenko in #7
• Add CI support by @VincentBlondeau in #12
• Add Support for Lifeware and Gemstone by @VincentBlondeau in #9
• Partial port of GTExtensions for P9+, removed configuration by @JanBliznicenko in #8
• Add P12 and P13 by @astares in #14

New Contributors

• @vonbecmann made their first contribution in #5
• @JanBliznicenko made their first contribution in #7
• @VincentBlondeau made their first contribution in #12

Full Changelog: 2.2.0...v2.3.0