Implemented lighting for tank guages.
#242

Still need to work. I did very bad. This's my first time to try.
Update ItemMagnifyingGlass.java
Remove ThaumCraft API, re-add as submodule in next commit
Added ThaumCraft API as submodule
Merge pull request #341 from Yopu/tank-light

Implemented lighting for tank gauges.
Move Circuits item management to RailcraftItem.
Merge branch 'master' of github.com:CovertJaguar/Railcraft
Move ThaumCraft API to actual API folder
Merge pull request #349 from jsteenbeeke/master

Use ThaumCraft API repo as submodule
Make sure the Thaumcraft license is included in the jar
Merge pull request #347 from liach/Magnifying-Glass

Magnifying glass
Fix #347