Merge branch 'devel-2.4'

* devel-2.4:
  LUInstanceCreate: use opcodes.RequireFileStorage
  Don't add ",boot=on" to disks on kvm >= 0.14
  KVM: fix per-instance stored UID value

Conflicts:
	lib/cmdlib.py
          - use RequireSharedFileStorage there

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>