add <noscript> to the editor and pipe pages

[anewuser]

fixes #105

[onli]

Good changes. Thanks!

I also applied these patches to pipes.digital, hope that's in your interest :)

[anewuser]

Thank you. The "Undo" thing bothered me since you first added the feature, but since I'd already be dealing with some silly regex every time I triggered it, I kept forgetting to look into it.