Update ProtoBuf 3 & gRPC

- Protocol Buffers: 3.0.0
- gRPC: 1.0.0-pre2

Change-Id: Ic80d3f660d4a0aa37a99d4e6d4dc45e0b70b073b
diff --git a/incubator/protobuf/features.xml b/incubator/protobuf/features.xml
index 2d7d5c2..c19a13b 100644
--- a/incubator/protobuf/features.xml
+++ b/incubator/protobuf/features.xml
@@ -18,7 +18,7 @@
     <feature name="${project.artifactId}" version="${project.version}"
              description="${project.description}">
         <feature>onos-api</feature>
-        <bundle>mvn:com.google.protobuf/protobuf-java/3.0.0-beta-2</bundle>
+        <bundle>mvn:com.google.protobuf/protobuf-java/3.0.0</bundle>
         <bundle>mvn:${project.groupId}/${project.artifactId}/${project.version}</bundle>
     </feature>
 </features>