Add block of code which should be added to Gemfile for Windows listen compatibility.
Add block of code which should be added to Gemfile for Windows listen compatibility.

Closes https://github.com/mojombo/jekyll/pull/1720

chiyodad/jekyll,likong/jekyll,sasongkojati/jekyll,hubsaysnuaa/jekyll,yhironaka/yhironaka.github.io,backendeveloper/jekyll,zsyed91/jekyll,18F/jekyll,codeclimate-testing/jekyll,fabulousu/jekyll,nasht00/jekyll,darwin/jekyll,alex-kovac/jekyll,tylermachen/jekyll,noikiy/jekyll,nathanhorrigan1/webdeveloper,tamouse/jekyll,oresmus/jekyll,x-way/jekyll,daniel-beck/jekyll,1gitGrey/jekyll,adilapapaya/jekyll,gencer/jekyll,royalwang/jekyll,rajrathore/jekyll,kuangyeheng/jekyll,stomar/jekyll,ajhit406/jekyll,Kinghack/kinghack.github.com,rasa2011/rasa2011.github.io,xiaoshaozi52/jekyll,getandpost/jekyll.github.io,julienbourdeau/jekyll,jmknoll/jekyll,fabulousu/jekyll,pheuko/jekyll,tillgrallert/jekyll,supriyantomaftuh/jekyll,1gitGrey/jekyll,chrisfinazzo/jekyll,akoeplinger/jekyll,marrujoalex/jekyll,zhangkuaiji/jekyllcn,wentixiaogege/jekyll,brint/jekyll,mixxmac/jekyll,ewinkler/jekyll,m2candre/jekyll,jaroot32/jekyll,goragod/jekyll,rajrathore/jekyll,superve/jekyll,winndows/jekyll,xiebinhqy/jklly_china,sasongkojati/jekyll,0x00evil/jekyll,Teino1978-Corp/Teino1978-Corp-jekyll,angeliaz/jekyll,Strangehill/jekyll,desidude03/jekyll,jeffkole/jekyll,isathish/jekyll,eninya/jekyll,xcatliu/jekyllcn,penchan1218/jekyllcn,drobati/jekyll,Tyrion22/jekyll,stevecrozz/jekyll,isathish/jekyll,tomjohnson1492/jekyll,eninya/jekyll,kinlane/jekyll,indraj/jekyll,martynbm/jekyll,anthonyrosengren/grasshoppergathering2.github-io,sideci-sample/sideci-sample-jekyll,jaybe-jekyll/jekyll,alihalabyah/jekyll,dangaute/eng,anthonyrosengren/grasshoppergathering2.github-io,rlugojr/jekyll,0x00evil/jekyll,CPVPLachlan/CPVP-Blog,chiyodad/jekyll,princeofdarkness76/jekyll,ryanshaw/jekyll,dansef/jekyll,xiebinhqy/jklly_china,julienbourdeau/jekyll,yihangho/jekyll,leichunxin/jekyll,alfredxing/jekyll,floydpraveen/jekyll,ajhit406/jekyll,princeofdarkness76/jekyll,abhilashhb/jekyll,saitodisse/jekyll,indraj/jekyll,drobati/jekyll,xiongjungit/jekyll,alex-kovac/jekyll,MjAbuz/jekyll,MjAbuz/jekyll,Wirachmat/jekyll,johnnycastilho/jekyll,Teino1978-Corp/Teino1978-Corp-jekyll,x-way/jekyll,backendeveloper/jekyll,mrb/jekyll,hubsaysnuaa/jekyll,mrb/jekyll,tobscure/jekyll,drobati/jekyll,fengsmith/jekyllcn,codeclimate-testing/jekyll,jmptrader/jekyll,schaazzz/jekyll,chiyodad/jekyll,hiteshsuthar/jekyll,wadaries/jekyll,zhangkuaiji/jekyllcn,yihangho/jekyll,noikiy/jekyll,FlyingWHR/jekyll,ryanshaw/jekyll,ls2uper/jekyll,cyberid41/jekyll,alfredxing/jekyll,darwin/jekyll,oresmus/jekyll,tomjohnson1492/jekyll,krahman/jekyll,Strangehill/jekyll,Kinghack/kinghack.github.com,AtekiRyu/jekyll,trungvothanh/jekyll,honger05/jekyllcn,xiaoshaozi52/jekyll,harrissoerja/jekyll,martynbm/jekyll,xcatliu/jekyllcn,hartmel/jekyll,rebornix/jekyll,alex-kovac/jekyll,alihalabyah/jekyll,foocoder/jekyll,jekyll/jekyll,doubleday/jekyll,xantage/jekyll,tomjohnson1492/jekyll,jekyll/jekyll,stomar/jekyll,winndows/jekyll,dansef/jekyll,noikiy/jekyll,iRoxx/jekyll,mrb/jekyll,rebornix/jekyll,htmelvis/jekyll,kimeng/jekyll,EddieDow/jekyll,alfredxing/jekyll,pheuko/jekyll,x-way/jekyll,schaazzz/jekyll,Strangehill/jekyll,m2candre/jekyll,nateberkopec/jekyll,CheekyFE/jekyll,bsmr-ruby/jekyll,LuoPX-15510486969/jekyll,teju111/jekyll,tylermachen/jekyll,egobrightan/jekyll,hubsaysnuaa/jekyll,richsoni/jekyll,Tiger66639/jekyll,wentixiaogege/jekyll,trungvothanh/jekyll,fulldecent/jekyll,foocoder/jekyll,jeffkole/jekyll,garvitr/jekyll,princeofdarkness76/jekyll,kimeng/jekyll,kuangyeheng/jekyll,UniFreak/jekyllcn,Teino1978-Corp/jekyll,Tyrion22/jekyll,ZDroid/jekyll,ajhit406/jekyll,getandpost/jekyll.github.io,Wirachmat/jekyll,mixxmac/jekyll,eninya/jekyll,sasongkojati/jekyll,tillgrallert/jekyll,tillgrallert/jekyll,imaustink/jekyll,SQS2/Test,QuinntyneBrown/jekyll,nateberkopec/jekyll,larryfox/jekyll,zsyed91/jekyll,foocoder/jekyll,nickg33/jekyll,jmhardison/jekyll,daniel-beck/jekyll,kimeng/jekyll,daniel-beck/jekyll,alex-kovac/jekyll,htmelvis/jekyll,likong/jekyll,eloyesp/jekyll,teju111/jekyll,gkunwar/gkunwar.github.io,mnuessler/jekyll,CheekyFE/jekyll,tugberkugurlu/jekyll,xantage/jekyll,brint/jekyll,abhilashhb/jekyll,omeripek/jekyll,liukaijv/jekyll,iRoxx/jekyll,hiteshsuthar/jekyll,getandpost/jekyll.github.io,fengsmith/jekyllcn,saitodisse/jekyll,likong/jekyll,superve/jekyll,iRoxx/jekyll,tillgrallert/jekyll,wadaries/jekyll,doubleday/jekyll,superve/jekyll,Teino1978-Corp/Teino1978-Corp-jekyll,howkj1/jekyll,rovrevik/jekyll,ZainRizvi/jekyll,anthonyrosengren/grasshoppergathering2.github-io,MauroMrod/jekyll,nathanhorrigan1/webdeveloper,jaroot32/jekyll,CPVPLachlan/CPVP-Blog,jmepg/jekyll,chinayin/jekyll,noikiy/jekyll,CheekyFE/jekyll,rlugojr/jekyll,ewinkler/jekyll,goragod/jekyll,rlugojr/jekyll,aarvay/jekyll,gkunwar/gkunwar.github.io,shliujing/jekyll,krishnakalyan3/jekyll,Strangehill/jekyll,SQS2/Test,FlyingWHR/jekyll,chinayin/jekyll,vcgato29/jekyll,isathish/jekyll,vidbina/jekyll,Kinghack/kinghack.github.com,chinayin/jekyll,jaybe-jekyll/jekyll,lazycai/lazycai.github.com,fulldecent/jekyll,honger05/jekyllcn,alfredxing/jekyll,tomasdiez/jekyll,jmepg/jekyll,derekgottlieb/jekyll,vidbina/jekyll,tobscure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