Fixed pipes rendering in hand as flat texture
Optimized image files. Saved 72.80 KB (47.86%)
Unused imports must die. Some formatting.
Fix incorrect casts in gui code.

Caused by removed IInventory implementations.
Changes for 3.7.2 build.
Merge pull request #980 from ZeroLevels/master

Image optimization.
Allow for more advanced delivery conditions

This doesn't control items passing between pipes, only a condition for a
PipedItem to prevent itself exiting the network in specific places.

This modification allows BC to have more advanced sinking conditions
(eg: the discussion about coloured pipes/items)

Logistics pipes currently modifies something via reflection to prevent
it's liquid packets from being sunk to standard IInventories.
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
Merge pull request #943 from dmillerw/master

Fixed pipes rendering in hand as flat texture
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