Mod Updates

Updated :
- Big Reactors -> 0.4.0rc5
- Thaumcraft -> 4.2.0.1 (among others, fix the facade crash)
- Botania -> r1.2-106 Warp integation :>
- Blue Power -> 0.1.708 integrated circuits \o/
Added the options.txt and optionsof.txt files to the gitignore, because
it just makes a mess