features/layout_data: add scenario for inheriting layout data from child to parent
features/layout_data: add scenario for inheriting layout data from child to parent

Ref: https://github.com/jekyll/jekyll/pull/4312#discussion_r48781985

brint/jekyll,darwin/jekyll,tillgrallert/jekyll,ZDroid/jekyll,stomar/jekyll,yhironaka/yhironaka.github.io,pmarsceill/jekyll,stomar/jekyll,xcatliu/jekyllcn,alex-kovac/jekyll,fulldecent/jekyll,jekyll/jekyll,floydpraveen/jekyll,xcatliu/jekyllcn,ajhit406/jekyll,rasa2011/rasa2011.github.io,derekgottlieb/jekyll,jaybe-jekyll/jekyll,tomjohnson1492/jekyll,nasht00/jekyll,mrb/jekyll,chrisfinazzo/jekyll,ryanshaw/jekyll,noikiy/jekyll,zsyed91/jekyll,fulldecent/jekyll,x-way/jekyll,Strangehill/jekyll,ryanshaw/jekyll,x-way/jekyll,rlugojr/jekyll,noikiy/jekyll,alex-kovac/jekyll,jekyll/jekyll,Kinghack/kinghack.github.com,getandpost/jekyll.github.io,brint/jekyll,floydpraveen/jekyll,zsyed91/jekyll,jaybe-jekyll/jekyll,brint/jekyll,nasht00/jekyll,rlugojr/jekyll,alex-kovac/jekyll,brint/jekyll,ajhit406/jekyll,zsyed91/jekyll,tomjohnson1492/jekyll,jeffkole/jekyll,ryanshaw/jekyll,xiebinhqy/jklly_china,ZDroid/jekyll,rasa2011/rasa2011.github.io,Strangehill/jekyll,floydpraveen/jekyll,mrb/jekyll,mrb/jekyll,alfredxing/jekyll,ZDroid/jekyll,jaybe-jekyll/jekyll,derekgottlieb/jekyll,jekyll/jekyll,tillgrallert/jekyll,alfredxing/jekyll,pmarsceill/jekyll,xiebinhqy/jklly_china,bsmr-ruby/jekyll,tillgrallert/jekyll,jaybe-jekyll/jekyll,Strangehill/jekyll,bsmr-ruby/jekyll,nasht00/jekyll,xcatliu/jekyllcn,derekgottlieb/jekyll,xcatliu/jekyllcn,jeffkole/jekyll,ajhit406/jekyll,chrisfinazzo/jekyll,pmarsceill/jekyll,Strangehill/jekyll,xiebinhqy/jklly_china,x-way/jekyll,rlugojr/jekyll,chrisfinazzo/jekyll,jeffkole/jekyll,derekgottlieb/jekyll,fulldecent/jekyll,tillgrallert/jekyll,chrisfinazzo/jekyll,gencer/jekyll,tomjohnson1492/jekyll,gencer/jekyll,gencer/jekyll,xiebinhqy/jklly_china,tillgrallert/jekyll,floydpraveen/jekyll,gencer/jekyll,darwin/jekyll,nasht00/jekyll,Strangehill/jekyll,Kinghack/kinghack.github.com,mrb/jekyll,Kinghack/kinghack.github.com,pmarsceill/jekyll,x-way/jekyll,jekyll/jekyll,bsmr-ruby/jekyll,alex-kovac/jekyll,rasa2011/rasa2011.github.io,princeofdarkness76/jekyll,darwin/jekyll,tomjohnson1492/jekyll,princeofdarkness76/jekyll,getandpost/jekyll.github.io,princeofdarkness76/jekyll,stomar/jekyll,princeofdarkness76/jekyll,alfredxing/jekyll,darwin/jekyll,stomar/jekyll,tomjohnson1492/jekyll,zsyed91/jekyll,bsmr-ruby/jekyll,jeffkole/jekyll,getandpost/jekyll.github.io,ryanshaw/jekyll,ajhit406/jekyll,rlugojr/jekyll,gencer/jekyll,alex-kovac/jekyll,alfredxing/jekyll,fulldecent/jekyll,noikiy/jekyll,noikiy/jekyll