client: Setup also XDG_RUNTIME_DIR under /run/user/<uid> for files
that do not need to be persisted across reboots. Keeps user home
directory cleaner.
Merge branch 'gvfs'

client: Setup also XDG_RUNTIME_DIR under /run/user/<uid> for files
that do not need to be persisted across reboots. Keeps users' home
directories cleaner.