[AUSM] Actually Usable Shader Mod

Release 1.0.1

• Fixed shadered liquids disappearing when Celeritas is installed.
• Fixed some entities and custom models rendering translucent with shaders enabled.
• Improved shader compatibility for framed blocks, contained shapes, and tile entities.
• Added AbyssalCraft sunlight colours and a Dreadlands red-sky treatment.
• Added an optional in-game update notification.