Merge branch 'devel-2.7'

Merge branch 'devel-2.7'

* devel-2.7:
  Rename lib/objectutils to outils.py
  Fix typo in gnt-group manpage
  Fix wrong type in a docstring of the RAPI subsystem
  Finish the remote→restricted commands rename
  Enable use of the priority option in hbal
  Add CLI-level option to override the priority
  Add functions to parse CLI-level format of priorities
  Add a function to change an OpCode's priority
  Make hbal opcode annotation more generic
  Add unit tests for RADOSBLockDevice
  Fix rbd showmapped output parsing
  Change default xen root path to /dev/xvda1
  Removes check for conflicts from NetworkDisconnect
  If _UnlockedLookupNetwork() fails raise error
  Force conflicts check in LUNetworkDisconnect

Also updated objects.py with more outils renames.

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