Railcraft goodness
Merge remote-tracking branch 'upstream/1.7-update' into 1.7-update
Element 125mB stuffs

uses onItemUseFirst to capture using ElementItem on an IFluidHandler
(something with a tank) and then proceeds to empty/fill the tube based
on whatever it should be doing. Current Issue is that it doesn't update
the tile entity clientside which means stuff like WAILA displays the
wrong volume and it renders wrong
Also changes placing/picking up element fluids to require 8 test tubes
Elements done
Molecules done

Boom
Merge pull request #365 from hilburn/1.7-update

125mB elements and molecules
Test Tube Handling improved

For placing/removing chemical fluids in world, if you don't have 8 tubes
available it checks for more stacks of the chemical in your inventory
Minechem Fuels!

With added MT awesomeness
Unfortunately for some reason (I think because test tubes are registered
as fluid containers) it will only burn with ItemStacks of size 1.
Possible workaround: register a FuelItem and then add crafting recipes
for eg 4xElementItem.C -> 1xFuelItem.C
Fixed fuels

huzzah
Merge pull request #366 from hilburn/1.7-update

Test Tube Handling improved AND Minechem Fuel Handling (with MT interface)
Element Item now places fluid in creative mode
Molecule Item Creative Small Stack use
Merge pull request #367 from hilburn/1.7-update

Creative Test Tube use