Fix placing torches and the like on inverted woden slabs.

patches/common/net/minecraft/src/Block.java.patch

@@ -167,7 +167,7 @@
 +    public boolean isBlockSolidOnSide(World world, int x, int y, int z, ForgeDirection side) 
 +    {
 +        int meta = world.getBlockMetadata(x, y, z);
-+        if (this instanceof BlockStep)
++        if (this instanceof BlockHalfSlab)
 +        {
 +            return (((meta & 8) == 8 && (side == UP)) || isOpaqueCube());
 +        }

patches/minecraft/net/minecraft/src/RenderBlocks.java.patch

@@ -22,8 +22,8 @@
          float var10 = 1.0F;
          float var11 = 0.8F;
 @@ -1959,7 +1960,7 @@
-         double var28;
          double var30;
+         double var32;
  
 -        if (!this.blockAccess.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) && !Block.fire.canBlockCatchFire(this.blockAccess, par2, par3 - 1, par4))
 +        if (!this.blockAccess.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) && !Block.fire.canBlockCatchFire(this.blockAccess, par2, par3 - 1, par4, UP))

patches/minecraft/net/minecraft/src/RenderItem.java.patch

@@ -76,8 +76,8 @@
                  if (this.field_77024_a)
                  {
 @@ -192,9 +191,9 @@
-         float var11;
          float var12;
+         float var16;
  
 -        if (par3 < 256 && RenderBlocks.renderItemIn3d(Block.blocksList[par3].getRenderType()))
 -        {