Changed github url in contrib/gitian-descriptors/gitian.yml
Changed github url in contrib/gitian-descriptors/gitian.yml

cryptogenicbonds/CryptoBullion-CBX,MercStills/CryptogenicBullion,elambert2014/CryptoBullion-CBX,elambert2014/CryptoBullion-CBX,elambert2014/CryptoBullion-CBX,cryptogenicbonds/CryptoBullion-CBX,cryptogenicbonds/CryptoBullion-CBX,elambert2014/CryptoBullion-CBX,elambert2014/CryptoBullion-CBX,MercStills/CryptogenicBullion,cryptogenicbonds/CryptoBullion-CBX,cryptogenicbonds/CryptoBullion-CBX,MercStills/CryptogenicBullion,cryptogenicbonds/CryptoBullion-CBX,MercStills/CryptogenicBullion,MercStills/CryptogenicBullion,cryptogenicbonds/CryptoBullion-CBX,elambert2014/CryptoBullion-CBX