Update git submodules

Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Set juju wait version

    It's mandatory before releasing.

    Change-Id: Iac7b49fb1061b39ee6683e7b30f163cfc2060a95
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
  - Set Neutron and Barbican tempest plugins commit ids

    They are mandatory before releasing.

    Change-Id: I2980536e28d183343ff0a9520ca9ee663e437fee
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
  - Remove INSTALLER_TYPE logics in odl

    JIRA: APEX-621
    JIRA: COMPASS-606

    Change-Id: I76dde66aefc67f80b40496f705f2864ea9355dcf
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
  - Update pip to last version

    It allows downloading refs (gerrit reviews).

    Change-Id: I303f9b753f560fdf945997c7a86e1e29fbd59a06
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>