set modified_by_user=nil instead of breaking if no user is logged in
[arvados.git] / app /
drwxr-xr-x   ..
drwxr-xr-x - assets
drwxr-xr-x - controllers
drwxr-xr-x - helpers
drwxr-xr-x - mailers
drwxr-xr-x - models
drwxr-xr-x - views