Issue Description:

Mud block is not registered as minable with a Shovel, which make it "slow" to mine even with shovel/excavator

Steps to reproduce:

1. Find Mud block
2. try to mine bare hand
3. try to mine with tools
4. same speed

Additional Information:

• N/A

Affected Versions (Exact numbers, do not use "latest"):

• Biomes O' Plenty: 2073
• Minecraft: 1.10.2
• Forge: 2066