HBASE-11151 move tracing modules from hbase-server to hbase-common (Masatake Iwasaki)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1594110 13f79535-47bb-0310-9956-ffa450edef68

hbase-common/pom.xml

@@ -206,6 +206,11 @@
       <artifactId>commons-io</artifactId>
       <scope>compile</scope>
     </dependency>
+    <!-- tracing Dependencies -->
+    <dependency>
+      <groupId>org.htrace</groupId>
+      <artifactId>htrace-core</artifactId>
+    </dependency>
   </dependencies>
 
   <profiles>

src/main/docbkx/tracing.xml

@@ -141,8 +141,6 @@
       In order to turn on tracing in your client code,
       you must initialize the module sending spans to receiver
       once per client process.
-      (Because <classname>SpanReceiverHost</classname> is included in hbase-server jar,
-      you need it on the client classpath in order to run this example.)
 <programlisting><![CDATA[
   private SpanReceiverHost spanReceiverHost;