don't load album, if it's already loaded
add missing assignation
build
set loading image as background url for photo thumbs

the goal is to not break layout on album loading
revert the way album was loaded when displayed

revert to previous way: always load the album.
I didn't notice it was fetching new data.
build
Sort albums by title on add
Merge branch 'master' of github.com:cozy/cozy-photos
Merge branch 'master' of github.com:clochix/cozy-photos
fix locales and upload block style