Added persistence service layer

src/main/java/com/mousetech/gourmetj/CategoryView.java

@@ -11,6 +11,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.mousetech.gourmetj.persistence.model.Category;
+import com.mousetech.gourmetj.persistence.service.CategoryService;
 
 @Named
 @ViewScoped

src/main/java/com/mousetech/gourmetj/persistence/service/CategoryService.java

@@ -1,4 +1,4 @@
-package com.mousetech.gourmetj;
+package com.mousetech.gourmetj.persistence.service;
 
 import java.io.Serializable;
 import java.util.List;

src/main/java/com/mousetech/gourmetj/persistence/service/package-info.java

@@ -0,0 +1 @@
+package com.mousetech.gourmetj.persistence.service;