fix NPE when using combustion engine with empty tank
Fix typo.

In case another mod adds a fuel fluid, and it's loaded before BC, without this fix the fuel buckets would place oil blocks.
Fix tank not rendering fluids properly.

Before every fluid in the tank was pink(no texture) because the texture path has changed in 1.6.
Lava is now lava
fix array indexes
Merge pull request #1016 from tomason/pump-fix

Pump fix
Merge pull request #1014 from tomason/npe-combustion

fix NPE when using combustion engine with empty tank
Merge pull request #1012 from viliml/patch-1

Fix typo.
Merge pull request #1013 from viliml/patch-2

Fix tank not rendering fluids properly.
Add Fluid drip particles
Fix possible exception
Merge pull request #2 from BuildCraft/mc16

Mc16