Until the owner of this project has some spare time you can still user the add-on by changing em:maxVersion="4.0.*" with em:maxVersion="5.0.*" in install.rdf line 8 . Works perfect for me.
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Until the owner of this project has some spare time you can still user the add-on by changing em:maxVersion="4.0.*" with em:maxVersion="5.0.*" in install.rdf line 8 . Works perfect for me.