Merge branch 'stable-2.14' into stable-2.15

Merge branch 'stable-2.14' into stable-2.15

* stable-2.14
  Revert 2.12-specific downgrade action on 2.14

* stable-2.13
  Add ``--no-ssh-key-check`` to manpage of renew-crypto
  Redistribute master key on downgrade
  Use ssconf port map when handling SSH keys
  Make node_daemon_setup use common functions
  Add docstring to certificate verification

* stable-2.12
  Also provide default arguments for mond
  Support sphinx 1.3
  Make documentation for -H serial_console more explicit

* stable-2.11
  (no changes)

* stable-2.10
  Fix typo in secondary
  When hinting to do gnt-instance info, show the instance
  Update gnt-network example in admin page

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Petr Pudlak <pudlak@google.com>