Allow UTF-8 characters in changelog
Allow UTF-8 characters in changelog

Testing Done:
Tests pass, except that sometimes they fail on travis because
sys.stdout.encoding.

Reviewed at https://rbcommons.com/s/twitter/r/1228/

pgroudas/pants,qma/pants,foursquare/pants,ericzundel/pants,lahosken/pants,di0spyr0s/pants,jtrobec/pants,15Dkatz/pants,kslundberg/pants,sameerparekh/pants,lahosken/pants,laurentgo/pants,square/pants,qma/pants,dturner-tw/pants,tejal29/pants,lahosken/pants,digwanderlust/pants,Gabriel439/pants,sid-kap/pants,benjyw/pants,mateor/pants,tejal29/pants,tejal29/pants,megaserg/pants,twitter/pants,slyphon/pants,ericzundel/pants,ericzundel/pants,lahosken/pants,baroquebobcat/pants,kwlzn/pants,gmalmquist/pants,lahosken/pants,jessrosenfield/pants,laurentgo/pants,landism/pants,manasapte/pants,foursquare/pants,TansyArron/pants,ity/pants,megaserg/pants,pantsbuild/pants,Gabriel439/pants,ity/pants,peiyuwang/pants,ericzundel/pants,TansyArron/pants,TansyArron/pants,wisechengyi/pants,scode/pants,dgomez10/xanon,di0spyr0s/pants,square/pants,baroquebobcat/pants,ity/pants,mateor/pants,slyphon/pants,cevaris/pants,wisechengyi/pants,laurentgo/pants,pantsbuild/pants,15Dkatz/pants,fkorotkov/pants,jessrosenfield/pants,dbentley/pants,qma/pants,slyphon/pants,di0spyr0s/pants,landism/pants,pgroudas/pants,manasapte/pants,manasapte/pants,manasapte/pants,jsirois/pants,kslundberg/pants,tejal29/pants,jessrosenfield/pants,ericzundel/pants,ericzundel/pants,gmalmquist/pants,kwlzn/pants,laurentgo/pants,baroquebobcat/pants,dturner-tw/pants,pantsbuild/pants,scode/pants,UnrememberMe/pants,digwanderlust/pants,foursquare/pants,digwanderlust/pants,TansyArron/pants,15Dkatz/pants,pombredanne/pants,UnrememberMe/pants,qma/pants,megaserg/pants,cevaris/pants,lahosken/pants,qma/pants,UnrememberMe/pants,benjyw/pants,fkorotkov/pants,wisechengyi/pants,sid-kap/pants,slyphon/pants,UnrememberMe/pants,jtrobec/pants,pantsbuild/pants,tdyas/pants,di0spyr0s/pants,twitter/pants,sameerparekh/pants,sid-kap/pants,scode/pants,baroquebobcat/pants,dgomez10/xanon,peiyuwang/pants,landism/pants,fkorotkov/pants,wisechengyi/pants,peiyuwang/pants,kslundberg/pants,fkorotkov/pants,kwlzn/pants,tdyas/pants,laurentgo/pants,Gabriel439/pants,ericzundel/pants,pgroudas/pants,benjyw/pants,benjyw/pants,areitz/pants,landism/pants,mateor/pants,pgroudas/pants,twitter/pants,pombredanne/pants,fkorotkov/pants,ity/pants,pombredanne/pants,lahosken/pants,foursquare/pants,kslundberg/pants,pombredanne/pants,benjyw/pants,kwlzn/pants,ericzundel/pants,kslundberg/pants,TansyArron/pants,dturner-tw/pants,sameerparekh/pants,qma/pants,scode/pants,foursquare/pants,TansyArron/pants,tdyas/pants,digwanderlust/pants,ity/pants,dgomez10/xanon,pombredanne/pants,tdyas/pants,manasapte/pants,twitter/pants,sid-kap/pants,jtrobec/pants,kwlzn/pants,tejal29/pants,dgomez10/xanon,jessrosenfield/pants,TansyArron/pants,megaserg/pants,laurentgo/pants,sameerparekh/pants,kwlzn/pants,slyphon/pants,megaserg/pants,gmalmquist/pants,areitz/pants,tdyas/pants,square/pants,sameerparekh/pants,sid-kap/pants,pgroudas/pants,manasapte/pants,cevaris/pants,tdyas/pants,cevaris/pants,sameerparekh/pants,jessrosenfield/pants,ity/pants,jsirois/pants,di0spyr0s/pants,jsirois/pants,slyphon/pants,dturner-tw/pants,15Dkatz/pants,gmalmquist/pants,mateor/pants,twitter/pants,qma/pants,slyphon/pants,dbentley/pants,peiyuwang/pants,lahosken/pants,twitter/pants,15Dkatz/pants,digwanderlust/pants,mateor/pants,jessrosenfield/pants,UnrememberMe/pants,tdyas/pants,UnrememberMe/pants,twitter/pants,landism/pants,peiyuwang/pants,areitz/pants,dgomez10/xanon,areitz/pants,square/pants,landism/pants,megaserg/pants,scode/pants,dbentley/pants,dbentley/pants,dbentley/pants,megaserg/pants,dturner-tw/pants,dturner-tw/pants,pantsbuild/pants,areitz/pants,wisechengyi/pants,foursquare/pants,foursquare/pants,15Dkatz/pants,dgomez10/xanon,mateor/pants,pombredanne/pants,fkorotkov/pants,Gabriel439/pants,digwanderlust/pants,landism/pants,benjyw/pants,fkorotkov/pants,cevaris/pants,kslundberg/pants,baroquebobcat/pants,Gabriel439/pants,jtrobec/pants,dbentley/pants,manasapte/pants,areitz/pants,dgomez10/xanon,UnrememberMe/pants,di0spyr0s/pants,pgroudas/pants,kslundberg/pants,mateor/pants,pombredanne/pants,baroquebobcat/pants,dgomez10/xanon,jessrosenfield/pants,sameerparekh/pants,kwlzn/pants,jtrobec/pants,cevaris/pants,dturner-tw/pants,jtrobec/pants,wisechengyi/pants,Gabriel439/pants,dgomez10/xanon,Gabriel439/pants,mateor/pants,cevaris/pants,benjyw/pants,15Dkatz/pants,15Dkatz/pants,baroquebobcat/pants,dgomez10/xanon,wisechengyi/pants,dgomez10/xanon,sid-kap/pants,di0spyr0s/pants,ity/pants,baroquebobcat/pants,sid-kap/pants,UnrememberMe/pants,tdyas/pants,dbentley/pants,foursquare/pants,gmalmquist/pants,pantsbuild/pants,fkorotkov/pants,UnrememberMe/pants,twitter/pants,jtrobec/pants,foursquare/pants,gmalmquist/pants,peiyuwang/pants,baroquebobcat/pants,scode/pants,landism/pants,wisechengyi/pants,peiyuwang/pants,gmalmquist/pants,tdyas/pants,scode/pants,wisechengyi/pants,peiyuwang/pants,areitz/pants,pantsbuild/pants,twitter/pants