Code Cleanup & Bugfixes

[Su5eD]

• Code Cleanup:
  • Removed @SidedProxy
  • Replaced some calls to ItemStack#isEmpty with an OptionalItemStack
  • Replaced the CoverRegistry with an IForgeRegistry
  • Pulverizer recipes' universal field can now be changed in config
• Bugfixes:
  • Automatic E-Furnace coil count (4 -> 1)
  • Heating Coil recipes not registering without Railcraft installed
  • Hardening Spray not hardening cable foam
  • Dragon Egg Energy Siphon exploding on world reload
• Added a recipe for the Steam Upgrade
• Machines can now accept 16 upgrades in total
• Adjusted the Creative Tab order to match JEI
• Using a Hard Hammer in crafting now plays an anvil use sound