Added prerequisite org.avaje.ebean 2.7.3 to pom.xml

pom.xml

@@ -71,6 +71,13 @@
       <type>jar</type>
       <scope>compile</scope>
     </dependency>
+    <dependency>
+      <groupId>org.avaje</groupId>
+      <artifactId>ebean</artifactId>
+      <version>2.7.3</version>
+      <type>jar</type>
+      <scope>compile</scope>
+    </dependency>
   </dependencies>
   <!-- This builds a completely 'ready to start' jar with all dependencies inside -->
   <build>