Add various Mod Blocks to Forestry Backpack Config

Requested on [reddit by /u/Blockmaster139](http://www.reddit.com/r/TestPackPleaseIgnore/comments/20h90f/)

Added blocks for the Digger's Backpack:
* black & red granite cobblestone (gregtech)
* limestone (chisel & emasher's ressources)
* red sandstone (emasher's ressources)
* marble (project-red & chisel)

Added items for the Miner's Backpack:
* Thaumcraft Shards