filter importable files by .tpl and not .elabftw.tpl
filter importable files by .tpl and not .elabftw.tpl

Because on Mac OS X if you have .elabftw.tpl it won't allow you to
select the template, but if it's .tpl it's fine.

Thanks Benjamin Foret ;)

elabftw/elabftw,elabftw/elabftw,elabftw/elabftw,elabftw/elabftw,elabftw/elabftw