Changes

{{#if:{{{1|}}}|{{#if:{{{icon|}}}|{{valign|[[File:GitHub-Mark-32px.png|12px14px|alt=Github's icon|link=]]|text-bottom}}{{nb}}}}[https://github.com/{{{1|}}} {{#if:{{{2|}}}|{{{2}}}|{{{1}}}}}]|[[File:Github-mozilla.png|x36px|Visit Mozilla on Github!|alt=Mozilla on Github|link=https://github.com/mozilla]]}}