xkcd Explanifier

This is a simple extension to take the 'explained' version of a URL, by simply adding explain to it. That helps primarily with xkcd.com, which has a non-official component explainxkcd.com.
Here is the Github Developer Build: https://github.com/MySixSenses/xkcd-Explainifier
Notice: Most xkcd images are copyright Randall Munroe, licensed to the general public under a CC-BY-NC 2.5 License