Second update pass (2/3) - 82 -> 0 errors

Second update pass which fixes all compile errors. Some parts may have
aftermath effect, hence why 3rd pass will check those maked with
"aftermath".
Errors: 82 -> 0. Mod can be launched.

src/main/java/appeng/entity/ICanDie.java

@@ -0,0 +1,8 @@
+package appeng.entity;
+
+public interface ICanDie
+{
+
+	public boolean isDead();
+	
+}