Renaming proto directory (#87)

Rename the directory so artifacts generated does not have src/main/proto in the hierarchy.

#86

pom.xml

@@ -96,6 +96,7 @@
                 </executions>
                     <configuration>
                             <protocArtifact>com.google.protobuf:protoc:${protobuf.version}:exe:${os.detected.classifier}</protocArtifact>
+                            <protoSourceRoot>${project.basedir}/uprotocol</protoSourceRoot>
                     </configuration>
             </plugin>                 
 

src/main/proto/uattributes.proto → uprotocol/uattributes.proto

@@ -65,7 +65,7 @@ message UAttributes {
     // Communication error attribute populated by uP-L2 dispatchers only when an error 
     // has occurred in the delivery of RPC request or response events. 
     // The contents of this attribute, if present, is the unsigned integer representation of
-    // google.rpc.Code
+    // UCode
     optional int32 commstatus = 7;
 
     // The correlation ID (UUDI) passed for response type messages to corelate the