Similar to SquatGrow but for 1.12
Add crop null check for IC2. (Fixes empty crop stick causing crashes)
Fixes crashing on bonemeal and cropblock method on instances without Mystical Agriculture or AgriCraft installed.
Fixes the way IC2 are checked, how did anyone use version 1.0.1 without it crashing with IC2 not installed?
Added Industrial Craft 2 (IC2) integration
