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/core/CreativeTabFacade.java

@@ -60,6 +60,6 @@ public final class CreativeTabFacade extends CreativeTabs
 			return ( (ItemFacade) maybeFacade.get() ).getCreativeTabIcon();
 		}
 
-		return new ItemStack( Blocks.planks );
+		return new ItemStack( Blocks.PLANKS );
 	}
 }