gem rmagick
set resizes for icon upload
show all icon sizes for ap
Avatar :icon  mass assign
Avatar :icon form and show UI
add email regexp valdiation
index UI
add callback to clear avatar_parts avatar_id when same type and id
add body fields to Avatar
find AvatarParts by Avatar Body array
Avatar UI
remove unnecessary AvatarPArt associations
dump to seed
fill seed with images
implement body_part in avatar_controller#show
rm avatar_pars association
avatar UI
clear seeds from associated avatar_part_ids
fix avatars_controller, avatars#show when attributes nil