OpenBlocks

Features:
- Glyphs (created with drawing table)
- Machines now accept Thermal Foundation's Essence of Knowledge

- Magnets now have configurable whitelists

Fix:

- Add tint to fluids in tanks (fixes TiC fluids)

- Fix potential crash when rendering sprinkler outside of world
- Fix skyblock drops
- Fix off-hand usage of few items
- Add missing recipe for big wooden button
- Fix shower XP dupe
- Fix blocks dropping when placed with magnet

- Improvements to sky block rendering speed
- Fix guide book recipe rendering

Tweak:
- Tanks can now be drained without sneaking

- Skyblocks are now disabled only when Optifine shaders are enabled