Merge pull request #1007 from AartBluestoke/master

Allow for more advanced delivery conditions
Better rendering
Merge pull request #1009 from samoht-2401/mc16

Better rendering
Get things running / New 1.6 ressource directory

Modified some little things in order to be able to compile.
The new ressource organization is added too.
Merge pull request #1011 from samoht-2401/mc16

Get things running / New 1.6 ressource directory
Fix issues with PR #1011

See https://github.com/BuildCraft/BuildCraft/issues/1011
Some clean-up of the refinery code
Fix liquid textures
Fix net code
Wooden Power pipe needs no logic
Rewrite Iron/Wood logic into helper classes
PipeLogic Smash
GuiRefinery code cleanup
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