rest api for label and hibernate mapping

wise-webapp/src/main/resources/com/wisemapping/model/Label.hbm.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<!DOCTYPE hibernate-mapping PUBLIC
+        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping>
+
+    <class name="com.wisemapping.model.Label" table="LABEL">
+        <id name="id">
+            <generator class="increment"/>
+        </id>
+        <property name="title"/>
+        <many-to-one name="parent" column="parent_label_id" not-null="false"/>
+        <many-to-one name="creator" column="creator_id" unique="true" not-null="false" lazy="proxy"/>
+    </class>
+
+</hibernate-mapping>