Some Plugin-Pagetool links not appearing in page footer

[saschaleib]

This was something that I noticed with the "Move" plugin: in most cases, it registers a new tool link in the "Page Tools" list:

However, in other situations, this seems to fail and the link does not appear here, even though this function is activated in the settings:

Now a user reported the same problem with the "BookCreator" plugin. According to the user, this works fine with the standard plugin... so I reckon it is time to investigate this further...