Onyx 0.8.0-beta

Patch Notes

• Window overhaul! Many new window functions added to allow for endless customization, as well as some much needed settings.
• Window is now created from a WindowProperties struct
• Added TextRenderables which can be added to the renderer like a normal renderable
• Deleted TextRenderer, no longer needed as it can be replaced by TextRenderables
• Moved presets to a static function of its respective class (e.g. functions in the MeshPresets namespace are now static functions in the Mesh class). Deleted the preset namespaces
• Bug fixes