Include Javadoc when publishing to Maven repo

tck/pom.xml

diff --git a/tck/pom.xml b/tck/pom.xml
index 192ba3a..1b756b4 100644
--- a/tck/pom.xml
+++ b/tck/pom.xml
@@ -199,6 +199,14 @@
                 <configuration>
                     <doclint>none</doclint>
                 </configuration>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
 
             <plugin>