First update pass (1/3) - ~1400 -> 82 errors

This is first update pass, which is mainly import reorganization, name
fixes, etc... Although some parts of second were done where changes
aren't important.
Errors: ~1400 -> 82.

src/main/java/appeng/hooks/IBlockTool.java

@@ -21,8 +21,8 @@ package appeng.hooks;
 
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.BlockPos;
 import net.minecraft.util.EnumFacing;
+import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 
 

src/main/java/appeng/hooks/TickHandler.java

@@ -152,7 +152,7 @@ public class TickHandler
 			{
 				for( final IGridNode n : g.getNodes() )
 				{
-					if( n.getWorld() == ev.world )
+					if( n.getWorld() == ev.getWorld() )
 					{
 						toDestroy.add( n );
 					}