Latest version of org.zalando:grafter_2.12
https://javadoc.io/doc/org.zalando/grafter_2.12
Current version 2.4.0-20171130165857-caeff75
https://javadoc.io/doc/org.zalando/grafter_2.12/2.4.0-20171130165857-caeff75
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.zalando/grafter_2.12/2.4.0-20171130165857-caeff75/package-list