Added new mods

Tinkers' Construct. Author: mDiyo
http://www.minecraftforum.net/topic/1659892-164tinkers-construct/
ThaumicTinkerer. Author: Vazkii

http://www.minecraftforum.net/topic/1813058-thaumic-tinkerer-thaumcraft-addon-evolve-knowledge-20-24-50k-downloads/