Merge pull request #1 from BuildCraft/mc1.5

Mc1.5
Merge pull request #2 from BuildCraft/mc1.5

update
Update to MC1.5.1

It's a 100% compiling, 100% working and 95% textured build for 1.5.1,
MCForge build .600
Update names for forge build 604
Update forge to 604
Revert Sengir's build.xml
Fix Icon registration in Core to use the Item atlas
Fixed the derp reverse of lit/dark gate textures
Fixed tank rendering in inventory
partially fixed the BlockMarker
fixed the template item icons
fixed the oil bucket icon
Added texture for pipeWaterproofing and moved it to the BC tab
Merge branch 'mc1.5' of github.com:BuildCraft/BuildCraft into mc1.5