Toggles for various mouseover functionality

[gigamicro]

I'd like to have this:

But not these:

If it also separated by page type, that's be pretty good (I'd much rather have the integrated function definition mouseover stuff in modules)

[tosher]

Please check the new version with some updates to popups:

• https://github.com/tosher/Mediawiker/releases/tag/v3.6.7