Tinkers Mossy Modifier

This mod brings back 1.7.10 Auto Repair to Tinkers Construct. Max Auto Repair level is 3, each level drains 1 modifier slot. The following options are configurable: * Double repair in sun * Double repair in rain * How often the tool/armor should be repaired, once every x gameticks * Base repair value, the default value is 2, formula is (2 + mossyLevel) * (2 if sun/rain is enabled) * Whether or not experience should be drained to repair * How much experience should be drained each repair