Improve wording of autosave setting
Move SaveWikiButtonTemplate to correct folder
Start to empty out the control panel tools tab

The control panel isn’t the right place for tools; it’s a place for
settings and internal configuration.

Once again apologies to the translators for wiping out your hard work!
Extend toc macro so that links can be disabled

This allows table of contents to contain heading entries that do not
function as links, like the one in the sidebar.
Tweak doc improvement banner