Detect if port is not 80, if so, include correct port in github callback url.
Detect if port is not 80, if so, include correct port in github callback url.

heiglandreas/webapp,phpmentoring/webapp,ericnkatz/phpmentoring,tdutrion/webapp,rocketpastsix/webapp,tristanbailey/webapp,martarf/webapp,tdutrion/webapp,rocketpastsix/webapp,phpmentoring/webapp,heiglandreas/webapp,tristanbailey/webapp,martarf/webapp,martarf/webapp,lornajane/webapp,ericnkatz/phpmentoring,tristanbailey/webapp,akrabat/webapp,rocketpastsix/webapp,tdutrion/webapp,lornajane/webapp,lornajane/webapp,martarf/webapp,akrabat/webapp,lornajane/webapp,akrabat/webapp,ericnkatz/phpmentoring,akrabat/webapp,ericnkatz/phpmentoring,rocketpastsix/webapp,tdutrion/webapp,heiglandreas/webapp,heiglandreas/webapp,phpmentoring/webapp,phpmentoring/webapp,tristanbailey/webapp