Fix/remove broken links

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http://blog.virtualglobebook.com/2011/10/webgl-in-internet-explorer.html http://blog.fontdeck.com/post/15777165734/opentype-1?503cde40 http://blog.virtualglobebook.com/2011/10/webgl-in-internet-explorer.html http://mootools.net/docs/core/Element/Element http://pjax.heroku.com/ http://www.dustindiaz.com/min-height-fast-hack/ https://html.spec.whatwg.org/dev/the-button-element.html https://html.spec.whatwg.org/multipage/elements.html https://html5please.com/robots.txt https://web-beta.archive.org/web/20160403022740/https:/paul.kinlan.me/we-need-to-kill-off-the-localstorage-api/ https://www.typotheque.com/articles/opentype_features_in_web_browsers