Register GLPlot: v0.0.1, v0.0.2, v0.0.3
Register GLWindow: v0.0.1, v0.0.2, v0.0.3
Register GLAbstraction: v0.0.1, v0.0.2, v0.0.3
Register GLText: v0.0.1, v0.0.2, v0.0.3
Register ModernGL: v0.0.1, v0.0.2, v0.0.3
Merge pull request #1448 from SimonDanisch/metadata-v2

GL Family