[fix] corrected sort on artworks index
[cosmetic] repeat pagination and new action controls in artworks administration page (closes #88)
[evol] artworks context menu: finished mechanism + checked for empty selection + implemented associate_with_tag action
[evol] preliminary artworks context menu (reverted license to GPL2+, to be compatible with Proto.Menu and possibly other plugins)
[cosmetic] center artwork image in their frame in the arwork admin list
[fix] worked around artwork list default sort not enforced
Initial version