[PR] reformat and refactor [ant-ivy]

eric-milles opened a new pull request, #116:
URL: https://github.com/apache/ant-ivy/pull/116

   restore and update edits from https://github.com/apache/ant-ivy/pull/112/commits/a176a92b488f9aaca68700b36590c57e59c8b33f
   
   part of IVY-1410 and prep for IVY-1656


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