Change collection documentation based on #223
Change collection documentation based on #223

Clarifying what happens if no YAML front matter exists. The current explanation says that Jekyll will generate a file without Front Matter, but it appears this isn't the case.

I'm still not sure if this is the intended behaviour, but this clarifies how it currently works.
kimeng/jekyll,sasongkojati/jekyll,tomasdiez/jekyll,AnanthaRajuC/jekyll,QuinntyneBrown/jekyll,brint/jekyll,marrujoalex/jekyll,jeffkole/jekyll,MjAbuz/jekyll,stevecrozz/jekyll,tareq-s/jekyll,yihangho/jekyll,tomjohnson1492/jekyll,richsoni/jekyll,liukaijv/jekyll,digideskio/jekyll,ZainRizvi/jekyll,noikiy/jekyll,Wirachmat/jekyll,abhilashhb/jekyll,alihalabyah/jekyll,richsoni/jekyll,rongl/jekyll,tomasdiez/jekyll,larryfox/jekyll,stomar/jekyll,QuinntyneBrown/jekyll,PepSalehi/jekyll,thetaxman/jekyll,tugberkugurlu/jekyll,tillgrallert/jekyll,wadaries/jekyll,krishnakalyan3/jekyll,goragod/jekyll,zsyed91/jekyll,getandpost/jekyll.github.io,vidbina/jekyll,xiaoshaozi52/jekyll,FlyingWHR/jekyll,tamouse/jekyll,m2candre/jekyll,AaronSikes/jekyll,brint/jekyll,oresmus/jekyll,desidude03/jekyll,jmhardison/jekyll,jmknoll/jekyll,thetaxman/jekyll,kimeng/jekyll,tillgrallert/jekyll,x-way/jekyll,vcgato29/jekyll,leichunxin/jekyll,superve/jekyll,codeclimate-testing/jekyll,18F/jekyll,omeripek/jekyll,oresmus/jekyll,eninya/jekyll,bsmr-ruby/jekyll,ryanshaw/jekyll,hartmel/jekyll,royalwang/jekyll,wadaries/jekyll,wentixiaogege/jekyll,martynbm/jekyll,princeofdarkness76/jekyll,supriyantomaftuh/jekyll,sasongkojati/jekyll,alihalabyah/jekyll,nateberkopec/jekyll,hartmel/jekyll,eninya/jekyll,darwin/jekyll,nickg33/jekyll,jmknoll/jekyll,nateberkopec/jekyll,htmelvis/jekyll,ryanshaw/jekyll,adilapapaya/jekyll,Tyrion22/jekyll,stevecrozz/jekyll,ZDroid/jekyll,doubleday/jekyll,alex-kovac/jekyll,indraj/jekyll,mrb/jekyll,harrissoerja/jekyll,jekyll/jekyll,tareq-s/jekyll,xiebinhqy/jklly_china,backendeveloper/jekyll,Wirachmat/jekyll,fengsmith/jekyll,royalwang/jekyll,thetaxman/jekyll,alex-kovac/jekyll,chinayin/jekyll,abhilashhb/jekyll,kuangyeheng/jekyll,jmhardison/jekyll,tugberkugurlu/jekyll,LuoPX-15510486969/jekyll,anthonyrosengren/grasshoppergathering2.github-io,Teino1978-Corp/Teino1978-Corp-jekyll,foocoder/jekyll,xcatliu/jekyllcn,EddieDow/jekyll,Wirachmat/jekyll,desidude03/jekyll,tobscure/jekyll,omeripek/jekyll,superve/jekyll,floydpraveen/jekyll,rasa2011/rasa2011.github.io,supriyantomaftuh/jekyll,zsyed91/jekyll,CheekyFE/jekyll,Strangehill/jekyll,chiyodad/jekyll,isathish/jekyll,fulldecent/jekyll,naughtyboy83/jekyll,garvitr/jekyll,ryanshaw/jekyll,derekgottlieb/jekyll,dezon/jekyll,ramoslin02/jekyll,rlugojr/jekyll,kuangyeheng/jekyll,ajhit406/jekyll,howkj1/jekyll,Tiger66639/jekyll,angeliaz/jekyll,0x00evil/jekyll,x-way/jekyll,LeuisKen/jekyllcn,eloyesp/jekyll,julienbourdeau/jekyll,winndows/jekyll,nathanhorrigan1/webdeveloper,egobrightan/jekyll,ls2uper/jekyll,christophermanning/jekyll,dangaute/eng,alex-kovac/jekyll,bsmr-ruby/jekyll,AtekiRyu/jekyll,PepSalehi/jekyll,jaybe-jekyll/jekyll,ryanshaw/jekyll,anthonyrosengren/grasshoppergathering2.github-io,AtekiRyu/jekyll,tobscure/jekyll,fulldecent/jekyll,mrb/jekyll,Kinghack/kinghack.github.com,christophermanning/jekyll,chrisfinazzo/jekyll,backendeveloper/jekyll,ajhit406/jekyll,trungvothanh/jekyll,drobati/jekyll,tylermachen/jekyll,eloyesp/jekyll,brint/jekyll,ZainRizvi/jekyll,hiteshsuthar/jekyll,isathish/jekyll,fabulousu/jekyll,yihangho/jekyll,julienbourdeau/jekyll,floydpraveen/jekyll,krahman/jekyll,foocoder/jekyll,goragod/jekyll,cyberid41/jekyll,xantage/jekyll,fengsmith/jekyll,iRoxx/jekyll,johnnycastilho/jekyll,hiteshsuthar/jekyll,CheekyFE/jekyll,aarvay/jekyll,indraj/jekyll,johnnycastilho/jekyll,teju111/jekyll,princeofdarkness76/jekyll,ZDroid/jekyll,rovrevik/jekyll,doubleday/jekyll,nateberkopec/jekyll,ReachingOut/jekyll,greent2008/jekyll,thejameskyle/jekyll,jaybe-jekyll/jekyll,xiebinhqy/jklly_china,krahman/jekyll,htmelvis/jekyll,MauroMrod/jekyll,jmhardison/jekyll,larryfox/jekyll,CorainChicago/jekyll,tareq-s/jekyll,mrb/jekyll,tillgrallert/jekyll,adilapapaya/jekyll,alfredxing/jekyll,mnuessler/jekyll,shuber2/jekyll,martynbm/jekyll,isathish/jekyll,Teino1978-Corp/jekyll,tomasdiez/jekyll,tillgrallert/jekyll,imaustink/jekyll,ducktyper/jekyll,gkunwar/gkunwar.github.io,omeripek/jekyll,chiyodad/jekyll,ewinkler/jekyll,pmarsceill/jekyll,UniFreak/jekyllcn,nemotan/jekyll,angeliaz/jekyll,derekgottlieb/jekyll,Strangehill/jekyll,xiongjungit/jekyll,gaosboy/jekyll,ReachingOut/jekyll,daniel-beck/jekyll,jaroot32/jekyll,jmptrader/jekyll,gkunwar/gkunwar.github.io,ducktyper/jekyll,likong/jekyll,rovrevik/jekyll,stomar/jekyll,honger05/jekyllcn,vcgato29/jekyll,cyberid41/jekyll,nemotan/jekyll,hubsaysnuaa/jekyll,chinayin/jekyll,liukaijv/jekyll,floydpraveen/jekyll,CPVPLachlan/CPVP-Blog,gencer/jekyll,rebornix/jekyll,indraj/jekyll,LuoPX-15510486969/jekyll,fulldecent/jekyll,imaustink/jekyll,mixxmac/jekyll,darwin/jekyll,chinayin/jekyll,garvitr/jekyll,wadaries/jekyll,AnanthaRajuC/jekyll,wentixiaogege/jekyll,egobrightan/jekyll,rasa2011/rasa2011.github.io,dansef/jekyll,jaybe-jekyll/jekyll,hiteshsuthar/jekyll,iRoxx/jekyll,alex-kovac/jekyll,rongl/jekyll,SQS2/Test,abhilashhb/jekyll,tamouse/jekyll,htmelvis/jekyll,zsyed91/jekyll,rebornix/jekyll,fengsmith/jekyllcn,SQS2/Test,x-way/jekyll,xantage/jekyll,julienbourdeau/jekyll,gaosboy/jekyll,FlyingWHR/jekyll,xtymichael/jekyll,sideci-sample/sideci-sample-jekyll,EddieDow/jekyll,CheekyFE/jekyll,tomjohnson1492/jekyll,adilapapaya/jekyll,Tiger66639/jekyll,Teino1978-Corp/Teino1978-Corp-jekyll,tamouse/jekyll,Kinghack/kinghack.github.com,eninya/jekyll,AnanthaRajuC/jekyll,gynter/jekyll,nickg33/jekyll,harrissoerja/jekyll,Strangehill/jekyll,rajrathore/jekyll,rajrathore/jekyll,tylermachen/jekyll,alihalabyah/jekyll,superve/jekyll,shuber2/jekyll,kimeng/jekyll,gencer/jekyll,xiaoshaozi52/jekyll,rebornix/jekyll,trungvothanh/jekyll,ajhit406/jekyll,oresmus/jekyll,pheuko/jekyll,Teino1978-Corp/jekyll,mnuessler/jekyll,pheuko/jekyll,tylermachen/jekyll,stomar/jekyll,jmepg/jekyll,kuangyeheng/jekyll,tugberkugurlu/jekyll,noikiy/jekyll,hubsaysnuaa/jekyll,bsmr-ruby/jekyll,yihangho/jekyll,tobscure/jekyll,shliujing/jekyll,alfredxing/jekyll,saitodisse/jekyll,krishnakalyan3/jekyll,ramoslin02/jekyll,backendeveloper/jekyll,honger05/jekyllcn,tillgrallert/jekyll,gencer/jekyll,alfredxing/jekyll,greent2008/jekyll,zhangkuaiji/jekyllcn,leichunxin/jekyll,winndows/jekyll,pheuko/jekyll,LuoPX-15510486969/jekyll,LeuisKen/jekyllcn,mrb/jekyll,noikiy/jekyll,chrisfinazzo/jekyll,winndows/jekyll,naughtyboy83/jekyll,Tiger66639/jekyll,larryfox/jekyll,shliujing/jekyll,MauroMrod/jekyll,mixxmac/jekyll,howkj1/jekyll,xtymichael/jekyll,m2candre/jekyll,ls2uper/jekyll,hartmel/jekyll,dansef/jekyll,jaybe-jekyll/jekyll,brint/jekyll,Strangehill/jekyll,ReachingOut/jekyll,sasongkojati/jekyll,chiyodad/jekyll,saitodisse/jekyll,naughtyboy83/jekyll,zhangkuaiji/jekyllcn,jmepg/jekyll,bsmr-ruby/jekyll,jekyll/jekyll,shuber2/jekyll,xiebinhqy/jklly_china,gynter/jekyll,rlugojr/jekyll,darwin/jekyll,fabulousu/jekyll,dangaute/eng,jaroot32/jekyll,jeffkole/jekyll,nasht00/jekyll,FlyingWHR/jekyll,penchan1218/jekyllcn,vidbina/jekyll,daniel-beck/jekyll,nathanhorrigan1/webdeveloper,garvitr/jekyll,ducktyper/jekyll,CorainChicago/jekyll,derekgottlieb/jekyll,Kinghack/kinghack.github.com,gencer/jekyll,saitodisse/jekyll,getandpost/jekyll.github.io,x-way/jekyll,desidude03/jekyll,princeofdarkness76/jekyll,Teino1978-Corp/jekyll,greent2008/jekyll,gaosboy/jekyll,xantage/jekyll,gencer/jekyll,mnuessler/jekyll,fengsmith/jekyllcn,teju111/jekyll,0x00evil/jekyll,krahman/jekyll,rlugojr/jekyll,krishnakalyan3/jekyll,sanxore/sanxore.github.com,gynter/jekyll,EddieDow/jekyll,honger05/jekyllcn,alfredxing/jekyll,MjAbuz/jekyll,Strangehill/jekyll,UniFreak/jekyllcn,xiebinhqy/jklly_china,nemotan/jekyll,drobati/jekyll,floydpraveen/jekyll,18F/jekyll,18F/jekyll,imaustink/jekyll,shliujing/jekyll,wentixiaogege/jekyll,foocoder/jekyll,xiongjungit/jekyll,nathanhorrigan1/webdeveloper,fengsmith/jekyllcn,CPVPLachlan/CPVP-Blog,xcatliu/jekyllcn,thejameskyle/jekyll,jmepg/jekyll,codeclimate-testing/jekyll,rovrevik/jekyll,xiaoshaozi52/jekyll,AaronSikes/jekyll,stomar/jekyll,LeuisKen/jekyllcn,jmknoll/jekyll,xcatliu/jekyllcn,vcgato29/jekyll,hubsaysnuaa/jekyll,sanxore/sanxore.github.com,dangaute/eng,noikiy/jekyll,jeffkole/jekyll,m2candre/jekyll,supriyantomaftuh/jekyll,nasht00/jekyll,trungvothanh/jekyll,egobrightan/jekyll,howkj1/jekyll,aarvay/jekyll,iRoxx/jekyll,getandpost/jekyll.github.io,rasa2011/rasa2011.github.io,tomjohnson1492/jekyll,royalwang/jekyll,nickg33/jekyll,CPVPLachlan/CPVP-Blog,teju111/jekyll,zsyed91/jekyll,gkunwar/gkunwar.github.io,pmarsceill/jekyll,SQS2/Test,ZainRizvi/jekyll,chrisfinazzo/jekyll,christophermanning/jekyll,martynbm/jekyll,dansef/jekyll,jaroot32/jekyll,fabulousu/jekyll,johnnycastilho/jekyll,rongl/jekyll,ramoslin02/jekyll,alex-kovac/jekyll,tomjohnson1492/jekyll,jekyll/jekyll,harrissoerja/jekyll,digideskio/jekyll,chrisfinazzo/jekyll,ewinkler/jekyll,codeclimate-testing/jekyll,doubleday/jekyll,angeliaz/jekyll,jmptrader/jekyll,stevecrozz/jekyll,goragod/jekyll,matuzo/jekyll,cyberid41/jekyll,PepSalehi/jekyll,aarvay/jekyll,mixxmac/jekyll,0x00evil/jekyll,ZDroid/jekyll,nasht00/jekyll,matuzo/jekyll,digideskio/jekyll,fulldecent/jekyll,AtekiRyu/jekyll,thejameskyle/jekyll,Tyrion22/jekyll,UniFreak/jekyllcn,ewinkler/jekyll,daniel-beck/jekyll,zhangkuaiji/jekyllcn,Tyrion22/jekyll,matuzo/jekyll,jekyll/jekyll,pmarsceill/jekyll,jmptrader/jekyll,pmarsceill/jekyll,likong/jekyll,rlugojr/jekyll,ajhit406/jekyll,likong/jekyll,liukaijv/jekyll,MjAbuz/jekyll,drobati/jekyll,penchan1218/jekyllcn,rajrathore/jekyll,tomjohnson1492/jekyll,dezon/jekyll,ls2uper/jekyll,Teino1978-Corp/Teino1978-Corp-jekyll,anthonyrosengren/grasshoppergathering2.github-io,richsoni/jekyll,CorainChicago/jekyll,xiongjungit/jekyll,QuinntyneBrown/jekyll,leichunxin/jekyll,penchan1218/jekyllcn,derekgottlieb/jekyll,fengsmith/jekyll,vidbina/jekyll,darwin/jekyll,eloyesp/jekyll,jeffkole/jekyll,yhironaka/yhironaka.github.io,MauroMrod/jekyll,sideci-sample/sideci-sample-jekyll,marrujoalex/jekyll,sanxore/sanxore.github.com,dezon/jekyll,nasht00/jekyll,marrujoalex/jekyll,xtymichael/jekyll,AaronSikes/jekyll,princeofdarkness76/jekyll,xcatliu/jekyllcn