correctly generate the chapter_github_source_url
correctly generate the chapter_github_source_url

datajohnny/website,EricSchank/website,zeppelin/emberjs-website,elidupuis/website,balupton/ember-website,kpfefferle/website,bmac/website,mrjavascript/website,rwjblue/website,davidpett/website,ktornwall/website,bmac/website,jimmay5469/website,martndemus/website,AaronSikes/website,cllns/emberjs-website,EricSchank/website,tmock12/website,shearwater-intl/website,quangv/website,praxxis/website,Nick-Cotter/aboutme,shearwater-intl/website,kkenan/website,maxcal/website,AgilionApps/website,quangv/website,raycohen/website,jimmay5469/website,elidupuis/website,datajohnny/website,Nick-Cotter/aboutme,davidpett/website,Eric-Guo/website,zeppelin/emberjs-website,quangv/website,shearwater-intl/website,duggiefresh/website,josemarluedke/ember-website,rwjblue/website,workmanw/ember-website,SaladFork/emberjs-website,cyberkoi/website,knownasilya/website,josemarluedke/ember-website,zeppelin/emberjs-website,AgilionApps/website,ktornwall/website,martndemus/website,mrjavascript/website,bmac/website,koriroys/emberjs-website,datajohnny/website,maxcal/website,raycohen/website,elidupuis/website,balupton/ember-website,SaladFork/emberjs-website,SaladFork/emberjs-website,josemarluedke/ember-website,kkenan/website,Eric-Guo/website,maxcal/website,EricSchank/website,workmanw/ember-website,kpfefferle/website,cyberkoi/website,SaladFork/emberjs-website,ktornwall/website,cllns/emberjs-website,tmock12/website,wifelette/website,duggiefresh/website,cyberkoi/website,greyhwndz/website,MinxianLi/ember,AaronSikes/website,jimmay5469/website,kpfefferle/website,raycohen/website,elwayman02/website,koriroys/emberjs-website,greyhwndz/website,MinxianLi/ember,knownasilya/website,duggiefresh/website,elwayman02/website,kkenan/website,koriroys/emberjs-website,josemarluedke/ember-website,praxxis/website,workmanw/ember-website,workmanw/ember-website,bmac/website,AaronSikes/website,wifelette/website,Eric-Guo/website,davidpett/website,wifelette/website,balupton/ember-website,zeppelin/emberjs-website,MinxianLi/ember,martndemus/website,mrjavascript/website,elwayman02/website,greyhwndz/website,AgilionApps/website,cllns/emberjs-website,tmock12/website