detect manual setup case (no github_metadata defined) and support it.
detect manual setup case (no github_metadata defined) and support it.

closes #44.

Strider-CD/strider,kumaria/strider,SE7ENSKY/strider,oliversalzburg/strider,smashwilson/strider,lukasberlin/strider,kayoub5/strider,xdissent/strider,bitglue/strider,kayoub5/strider,gh0st/strider,smashwilson/strider,xdissent/strider,TallerWebSolutions/strider,gh0st/strider,bariscicek/strider,Strider-CD/strider,lukasberlin/strider,yonglehou/strider,neoday/strider,Faiz7412/strider,gh0st/strider,d3ming/strider,d3ming/strider,TallerWebSolutions/strider,greyhwndz/strider,neoday/strider,bitwit/strider,SE7ENSKY/strider,Strider-CD/strider,xdissent/strider,cobyism/strider-on-heroku,greyhwndz/strider,kumaria/strider,Strider-CD/strider,kumaria/strider,Faiz7412/strider,arunsakthi/strider,lukasberlin/strider,bariscicek/strider,bariscicek/strider,kayoub5/strider,oliversalzburg/strider,smashwilson/strider,kayoub5/strider,Faiz7412/strider,yonglehou/strider,oliversalzburg/strider,bitwit/strider,bitglue/strider,arunsakthi/strider,gh0st/strider,knownasilya/strider,amos6224/strider,bariscicek/strider,TallerWebSolutions/strider,oliversalzburg/strider,cobyism/strider-on-heroku,arunsakthi/strider,d3ming/strider,knownasilya/strider,amos6224/strider,smashwilson/strider,saraf/strider,greyhwndz/strider,bitglue/strider,paperg/strider,paperg/strider,knownasilya/strider,kumaria/strider,xdissent/strider,neoday/strider,TallerWebSolutions/strider,neoday/strider,bitglue/strider,Strider-CD/strider,amos6224/strider,lukasberlin/strider,yonglehou/strider,greyhwndz/strider,SE7ENSKY/strider,knownasilya/strider,yonglehou/strider,arunsakthi/strider,paperg/strider,saraf/strider,saraf/strider,amos6224/strider,saraf/strider,bitwit/strider,paperg/strider