Add MineTweaker integration

[squeek502]

Could add support for adding/removing piston crafting recipes. Would need to formalize composting more in order to allow adding compost outputs, but could add compost input support as-is.

Example from Blood Magic: https://github.com/WayofTime/BloodMagic/tree/master/src/main/java/WayofTime/alchemicalWizardry/common/tweaker

Example from Witching Gadgets: https://github.com/BluSunrize/WitchingGadgets/tree/master/src/main/java/witchinggadgets/common/minetweaker

build.gradle additions to include the dependencies:

repositories {
    ivy {
        name "MineTweaker3"
        artifactPattern "http://minetweaker3.powerofbytes.com/download/[module]-[revision].[ext]"
    }
}

dependencies {
    compile name: 'MineTweaker3', version: 'Dev-1.7.10-3.0.9B', ext: 'jar'
}