EDIT

fix #9109 making fontawesome icons appear again:

• updating fonts/.htaccess for for woff2 fonts
• using button tag instead of input for better fontawsome compatibility
• updating css to renamed font familly

ref #9087 fixing query parameter handling in cdm_api

ref #8543 more specific xpath for footnotes

ref #8543 option to block footnote list key to avoid foonote keys in odd places like warnings

ref #8543 moving more *_footnote_markup() to footnotes.inc

ref #8543 moving name_relationship_footnote_markup() to footnotes.inc

ref #8543 testing for erroneous usage of the dafault footnoteListKey

ref #8543 removing settings to generally disable footnotes

ref #8543 refactoring: renaming variables & moving functions to other files

ref #8543 fix missing footnoteListKey default fallback