Update Galleria Themes: Classic, Folio, Twelve

Signed-off-by: Kresimir Nikolic <kresimir.nikolic@gmail.com>
Revert "Update Galleria Themes: Classic, Folio, Twelve"

This reverts commit ecc45a92bc09429d2cf557a45ff9141983ac9f0a.
Colorbox module and library added

Signed-off-by: Kresimir Nikolic <kresimir.nikolic@gmail.com>