Upgrade to junit-runner 1.0.0.
Upgrade to junit-runner 1.0.0.

Although a major version bump, the only change was removal of the
deprecated `-suppress-output` flag which was already unused by the
pants junit task.

Testing Done:
CI went green here:
  https://travis-ci.org/pantsbuild/pants/builds/96321948

Bugs closed: 2690

Reviewed at https://rbcommons.com/s/twitter/r/3232/

gmalmquist/pants,foursquare/pants,baroquebobcat/pants,foursquare/pants,ericzundel/pants,fkorotkov/pants,15Dkatz/pants,twitter/pants,UnrememberMe/pants,mateor/pants,pombredanne/pants,mateor/pants,wisechengyi/pants,pombredanne/pants,ity/pants,fkorotkov/pants,fkorotkov/pants,gmalmquist/pants,15Dkatz/pants,wisechengyi/pants,UnrememberMe/pants,kwlzn/pants,pombredanne/pants,wisechengyi/pants,baroquebobcat/pants,UnrememberMe/pants,tdyas/pants,manasapte/pants,peiyuwang/pants,mateor/pants,fkorotkov/pants,pombredanne/pants,15Dkatz/pants,baroquebobcat/pants,pantsbuild/pants,ericzundel/pants,tdyas/pants,cevaris/pants,dturner-tw/pants,UnrememberMe/pants,dturner-tw/pants,dbentley/pants,foursquare/pants,tdyas/pants,peiyuwang/pants,ity/pants,ity/pants,landism/pants,twitter/pants,wisechengyi/pants,gmalmquist/pants,baroquebobcat/pants,foursquare/pants,15Dkatz/pants,benjyw/pants,dturner-tw/pants,fkorotkov/pants,kwlzn/pants,pantsbuild/pants,tdyas/pants,wisechengyi/pants,peiyuwang/pants,landism/pants,pombredanne/pants,UnrememberMe/pants,ericzundel/pants,dbentley/pants,jsirois/pants,pantsbuild/pants,mateor/pants,baroquebobcat/pants,gmalmquist/pants,kwlzn/pants,cevaris/pants,pantsbuild/pants,lahosken/pants,UnrememberMe/pants,jsirois/pants,wisechengyi/pants,landism/pants,dbentley/pants,15Dkatz/pants,pombredanne/pants,ericzundel/pants,manasapte/pants,manasapte/pants,pombredanne/pants,benjyw/pants,dturner-tw/pants,twitter/pants,dbentley/pants,twitter/pants,jsirois/pants,dturner-tw/pants,UnrememberMe/pants,cevaris/pants,manasapte/pants,cevaris/pants,peiyuwang/pants,15Dkatz/pants,mateor/pants,wisechengyi/pants,peiyuwang/pants,landism/pants,foursquare/pants,dbentley/pants,fkorotkov/pants,landism/pants,peiyuwang/pants,ity/pants,ity/pants,wisechengyi/pants,baroquebobcat/pants,pantsbuild/pants,tdyas/pants,gmalmquist/pants,cevaris/pants,ericzundel/pants,fkorotkov/pants,landism/pants,lahosken/pants,fkorotkov/pants,benjyw/pants,benjyw/pants,ity/pants,pantsbuild/pants,twitter/pants,ericzundel/pants,lahosken/pants,baroquebobcat/pants,twitter/pants,gmalmquist/pants,lahosken/pants,pantsbuild/pants,15Dkatz/pants,dbentley/pants,cevaris/pants,manasapte/pants,mateor/pants,wisechengyi/pants,landism/pants,15Dkatz/pants,lahosken/pants,tdyas/pants,benjyw/pants,benjyw/pants,twitter/pants,foursquare/pants,ericzundel/pants,benjyw/pants,foursquare/pants,manasapte/pants,tdyas/pants,UnrememberMe/pants,kwlzn/pants,lahosken/pants,baroquebobcat/pants,foursquare/pants,mateor/pants,peiyuwang/pants,foursquare/pants,kwlzn/pants,manasapte/pants,baroquebobcat/pants,lahosken/pants,lahosken/pants,twitter/pants,mateor/pants,dturner-tw/pants,dbentley/pants,cevaris/pants,kwlzn/pants,kwlzn/pants,gmalmquist/pants,UnrememberMe/pants,tdyas/pants,twitter/pants,ericzundel/pants,peiyuwang/pants,ity/pants,tdyas/pants,landism/pants,dturner-tw/pants