dom0: appmenus templates handling for StandaloneVM (#317)
dom0: appmenus templates handling for StandaloneVM (#317)

StandaloneVM also needs apps.templates dir in order to qubes-appmenu-select
works. Also can be helpful for backup/restore.

marmarek/qubes-core-admin,QubesOS/qubes-core-admin,QubesOS/qubes-core-admin,marmarek/qubes-core-admin,marmarek/qubes-core-admin,woju/qubes-core-admin,QubesOS/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin