LMS-1335 Switch reference from gwt1.7 to gwt2.0

SVN: 14234

datastore_server/build/build.xml

@@ -61,7 +61,7 @@
 				<include name="**/*.xsd" />
 			</fileset>
 			<fileset dir="../${ant.project.name}/${classes}" includes="ch/systemsx/cisd/openbis/dss/BuildAndEnvironmentInfo.class"/>
-			<zipfileset src="${lib}/gwt1.7/gwt-user.jar"
+			<zipfileset src="${lib}/gwt2.0/gwt-user.jar"
 			            includes="com/google/gwt/user/client/rpc/IsSerializable.class, com/google/gwt/user/client/rpc/SerializableException.class" />
 		</jar>
 	</target>