add: gwt-isserializable.jar to gwt2.0

change: switch deep_sequencing_unit project to gwt-isserializable.jar from gwt2.0

SVN: 15338

deep_sequencing_unit/.classpath

@@ -14,6 +14,6 @@
 	<classpathentry kind="lib" path="/libraries/jmock/jmock.jar"/>
 	<classpathentry kind="lib" path="/libraries/log4j/log4j.jar" sourcepath="/libraries/log4j/src.zip"/>
 	<classpathentry kind="lib" path="/libraries/mail/mail.jar"/>
-	<classpathentry kind="lib" path="/libraries/gwt1.7/gwt-isserializable.jar"/>
+	<classpathentry kind="lib" path="/libraries/gwt2.0/gwt-isserializable.jar"/>
 	<classpathentry kind="output" path="targets/classes"/>
 </classpath>