Building Bricks

    * Add config option to show binded trowels for all materials in the creative tab.
    * Add compatibility with Biomes O' Plenty.
    * Add compatibility with AdobeBlocks.
    * Add a config option to replace the grass texture with a long grass texture, fixes #26.
    * Add config option to disable the generation of the missing blocks for materials.
    * Add command to generate material json files.
    * Add the ability for the trowel to use any item with an ItemHandler capability as source of material and implement the ItemHandler capability in the material bag.
    * Material bags now insert items as you pick them up from the ground.
    * Allow materials to be loaded from a sub directory of the configuration directory.
    * Improve the material bag inventory handling, fixes a dupe bug with it.
    * Fix oclussion issue with transparent stairs and slabs.