dom0/qvm-core: allow the user to select initial-memory != max-memory if meminfo-write service is enabled
dom0/qvm-core: allow the user to select initial-memory != max-memory if meminfo-write service is enabled

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