[cosmetic] center artwork image in their frame in the arwork admin list
[fix] worked around artwork list default sort not enforced
[fix] added 'selected' parameter to artwork size generic selector and pass currently selected size in artwork edit page (closes #1)
[fix] ensure displaying final image in the 'lastest 10 artworks'
[fix] remove hardcoded submit label in display_standard_form_buttons() helper and propagate submit_label view variable to it
[fix] don't call the final artwork image a 'step', and use italic characters
[lang] updated french translation and french application title
Initial version