Merge branch 'devel-2.1'

* devel-2.1:
  Convert gnt-instance list and info to use roman
  gnt-cluster info --roman
  FormatUidPool: provide optional roman conversion
  gnt-node: remove latinfriendlyfields
  Move roman conversion to compat
  Add a new opcode timestamp field
  Fix IgnoreSignals on socket.error
  RAPI client should convert urllib2.URLError to GanetiApiError
  KVM: Migration bandwidth and downtime control
  Make utils.EnsureDirs() ignore umask
  Fix two race conditions in reboot instance
  Support for latin friendly output in node list

Conflicts:
	man/gnt-instance.sgml
	  - trivial

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>