Latest version of org.apache.hadoop:hadoop-main
https://javadoc.io/doc/org.apache.hadoop/hadoop-main
Current version 2.0.3-alpha
https://javadoc.io/doc/org.apache.hadoop/hadoop-main/2.0.3-alpha
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.apache.hadoop/hadoop-main/2.0.3-alpha/package-list