Add MekanismTool balance configuration

Previously, the values for tool damage, efficiency, enchantability,
harvestLevel, and maxUses as well as values for armor durability,
enchantability, and reduction amounts were hard-coded.  Now they
are configurable via the Mekanism configuration file.
Merge pull request #1133 from vmrob/tool-armor-config

Add MekanismTool tool and armor balance to configuration file