Official Stable Release of v0.8.13

What's Changed

• Improve Text.baseline consistency across all renderers by @jonobr1 in #717
• Improve Blurry Texture Rendering in WebGLRenderer by @jonobr1 in #718
• Add Two.Text.direction property by @jonobr1 in #719

Full Changelog: v0.8.12...v0.8.13