issue #71 : make SpringRule annotation inherited

easyrules-spring/src/main/java/org/easyrules/spring/SpringRule.java

@@ -27,6 +27,7 @@ import org.easyrules.annotation.Rule;
 import org.springframework.context.annotation.Scope;
 import org.springframework.stereotype.Component;
 
+import java.lang.annotation.Inherited;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -43,6 +44,7 @@ import java.lang.annotation.Target;
  * @author Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
  */
 
+@Inherited
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)
 @Rule