FilesList : pass a toolbarOptions to be displayed inline, either multiple (visible on each line) or unique (only selected line)
Toolbars : ability for an action to belong to many toolbar groups, using comma-separated list
Declare an 'inline' toolbar for mobile GUI (all the old code could be removed). Put ls, open_with and download in this new toolbar
Comment out "Shared Elements" repository
Merge remote-tracking branch 'origin/master'