switch to 2.0-snapshot version of rpc code

oncrpcsvc.xml

@@ -200,7 +200,6 @@
         <description>Onc RPC service FOR DS</description>
         <constructor-arg type="int" value="${ds.port}"/>
         <constructor-arg type="boolean" value="false"/>
-        <constructor-arg type="String" value="oncrpcsvc-ds"/>
         <property name="programs">
             <map>
                 <entry key-ref="nfsv4-programm" value-ref="ds"/>

pom.xml

@@ -255,7 +255,7 @@
         <dependency>
             <groupId>org.dcache</groupId>
             <artifactId>nio-jrpc</artifactId>
-            <version>1.0</version>
+            <version>2.0-SNAPSHOT</version>
         </dependency>
         <!--
             LOCAL JARS