[fix bug 917960] Use remove 'www' from github.com and twitter.com
[fix bug 917960] Use remove 'www' from github.com and twitter.com

Also fixes nits.

justinpotts/mozillians,johngian/mozillians,hoosteeno/mozillians,mozilla/mozillians,hoosteeno/mozillians,chirilo/mozillians,fxa90id/mozillians,safwanrahman/mozillians,anistark/mozillians,brian-yang/mozillians,safwanrahman/mozillians,ChristineLaMuse/mozillians,justinpotts/mozillians,fxa90id/mozillians,ChristineLaMuse/mozillians,mozilla/mozillians,johngian/mozillians,akarki15/mozillians,ChristineLaMuse/mozillians,akatsoulas/mozillians,mozilla/mozillians,fxa90id/mozillians,chirilo/mozillians,akatsoulas/mozillians,brian-yang/mozillians,mozilla/mozillians,johngian/mozillians,brian-yang/mozillians,akarki15/mozillians,safwanrahman/mozillians,brian-yang/mozillians,safwanrahman/mozillians,akatsoulas/mozillians,fxa90id/mozillians,anistark/mozillians,hoosteeno/mozillians,akatsoulas/mozillians,johngian/mozillians,chirilo/mozillians,justinpotts/mozillians,anistark/mozillians,justinpotts/mozillians,akarki15/mozillians,chirilo/mozillians,akarki15/mozillians,anistark/mozillians,hoosteeno/mozillians