Update Rack-Jekyll Heroku deployment blog post url
Update Rack-Jekyll Heroku deployment blog post url

Failed to deploy to heroku by following old blog post  
but after stumbling up on https://github.com/adaoraul/rack-jekyll/issues/20
managed to do it and would like to avoid the trouble for others.
alex-kovac/jekyll,gencer/jekyll,yhironaka/yhironaka.github.io,alfredxing/jekyll,tillgrallert/jekyll,jekyll/jekyll,pmarsceill/jekyll,getandpost/jekyll.github.io,jekyll/jekyll,floydpraveen/jekyll,tomjohnson1492/jekyll,ajhit406/jekyll,floydpraveen/jekyll,xiebinhqy/jklly_china,rlugojr/jekyll,floydpraveen/jekyll,ZDroid/jekyll,jeffkole/jekyll,xcatliu/jekyllcn,jeffkole/jekyll,stomar/jekyll,stomar/jekyll,ajhit406/jekyll,ajhit406/jekyll,tomjohnson1492/jekyll,jeffkole/jekyll,derekgottlieb/jekyll,rlugojr/jekyll,chrisfinazzo/jekyll,tillgrallert/jekyll,tomjohnson1492/jekyll,darwin/jekyll,jaybe-jekyll/jekyll,chrisfinazzo/jekyll,nasht00/jekyll,getandpost/jekyll.github.io,tomjohnson1492/jekyll,rasa2011/rasa2011.github.io,brint/jekyll,chrisfinazzo/jekyll,noikiy/jekyll,nasht00/jekyll,noikiy/jekyll,derekgottlieb/jekyll,alfredxing/jekyll,noikiy/jekyll,fulldecent/jekyll,alfredxing/jekyll,darwin/jekyll,derekgottlieb/jekyll,xiebinhqy/jklly_china,alfredxing/jekyll,tillgrallert/jekyll,pmarsceill/jekyll,rlugojr/jekyll,alex-kovac/jekyll,fulldecent/jekyll,tillgrallert/jekyll,rlugojr/jekyll,brint/jekyll,derekgottlieb/jekyll,alex-kovac/jekyll,ryanshaw/jekyll,alex-kovac/jekyll,nasht00/jekyll,stomar/jekyll,Strangehill/jekyll,jaybe-jekyll/jekyll,x-way/jekyll,Strangehill/jekyll,pmarsceill/jekyll,getandpost/jekyll.github.io,jaybe-jekyll/jekyll,ryanshaw/jekyll,alex-kovac/jekyll,fulldecent/jekyll,x-way/jekyll,noikiy/jekyll,xcatliu/jekyllcn,jekyll/jekyll,brint/jekyll,ryanshaw/jekyll,gencer/jekyll,rasa2011/rasa2011.github.io,x-way/jekyll,darwin/jekyll,floydpraveen/jekyll,ajhit406/jekyll,ryanshaw/jekyll,fulldecent/jekyll,xiebinhqy/jklly_china,jekyll/jekyll,Strangehill/jekyll,ZDroid/jekyll,chrisfinazzo/jekyll,rasa2011/rasa2011.github.io,Strangehill/jekyll,gencer/jekyll,stomar/jekyll,xiebinhqy/jklly_china,pmarsceill/jekyll,tomjohnson1492/jekyll,darwin/jekyll,brint/jekyll,ZDroid/jekyll,jaybe-jekyll/jekyll,xcatliu/jekyllcn,nasht00/jekyll,jeffkole/jekyll,gencer/jekyll,Strangehill/jekyll,tillgrallert/jekyll,gencer/jekyll,xcatliu/jekyllcn,x-way/jekyll