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.
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
Add Fluid drip particles
Fix possible exception
Fix combustion engine GUI not rendering fluids properly

Same thing as the tank, block textures aren't in terrain.png any more!
Add missing case for EQUIPPED_FIRST_PERSON

It needs to be on the 1.6 branch too!
Fix engine GUI not drawing the lendger "energy" icon properly

I'm starting to see a pattern here...