Merge branch 'devel-2.7'

* devel-2.7: (23 commits)
  Add export lists for files which didn't have them
  Fix Haskell compatibility tests with disabled file storage
  Fix QA with disabled file storage
  Fix convert-constants handling of booleans
  Fix handling of disabled (shared) file storage
  Fix low verbosity levels in htools
  Fix improperly formatted docstring
  Allow iallocator to work without LVM storage
  Allow rpc.MakeLegacyNodeInfo to parse non-LVM results
  Fix LUTestAllocator with instance alloc
  Fix confd issue regarding --no-lvm-storage
  Fix networks in _PrepareNicModifications()
  Fix sphinx label namespace
  Clarify use of move-instance with self-signed certificates
  Remove early returns in network LUs
  Fix HooksDict() in case of no tags
  Add networks to _AllIDs()
  Fix locking in LUNetworkConnect()
  Fix networks in LUInstanceSetParams()
  Fix another docstring typo
  ...

Conflicts:
        src/Ganeti/Query/Node.hs (trivial; function rename in master
                                  and 'vgs' change in devel-2.7)
        also exported new entity from TestCommon.hs (used in master)

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>