Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to 39180c61bcbd8785c84a1f9fd8ff30a6dc594e5d
  - Merge "[COMMON] Create templates for services and PV"
  - [COMMON] Create templates for services and PV

    Proposition of common templates to make service declaration and PV
    declaration consistent accross OOM.
    Propositions of templates for sub parties of resource definitions
    such as metadatas, selector and containerPorts.

    I've also made an example with cassandra.

    Change-Id: I8b8aa8eb61dafba75e89add1979114a0eefce243
    Issue-ID: OOM-1971
    Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>