Revert "Require libmediaart-2.0"

This reverts commit c5dc0fb3c5b877b63ff35314292cdbfc5dff0eaf.
Merge remote-tracking branch 'codesource/master'-- install requirements reverted
ORDER BY statements generated by order_by_statement function, nested if statements to ignore multiple articles, _('the') for translatability

https://bugzilla.gnome.org/show_bug.cgi?id=729378