SAK-29812 Add a couple helper methods

edu-services/gradebook-service/api/src/java/org/sakaiproject/service/gradebook/shared/CategoryDefinition.java

@@ -43,6 +43,15 @@ public class CategoryDefinition implements Serializable {
 
     private List<Assignment> assignmentList;
 
+    public CategoryDefinition() {
+
+    }
+
+    public CategoryDefinition(Long id, String name) {
+    	this.id = id;
+    	this.name = name;
+    }
+
     /**
      * 
      * @return the id of the Category object

edu-services/gradebook-service/api/src/java/org/sakaiproject/service/gradebook/shared/GraderPermission.java

@@ -0,0 +1,20 @@
+package org.sakaiproject.service.gradebook.shared;
+
+/**
+ * The list of permissions that can be assigned to a grader
+ */
+public enum GraderPermission {
+
+	VIEW,
+	GRADE,
+	VIEW_COURSE_GRADE;
+
+	/**
+	 * Return a lowercase version of the enum
+	 */
+	@Override
+	public String toString() {
+		return this.name().toLowerCase();
+	}
+
+}