Update git submodules

Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 2860cd0ee42a205ea3c565c9953ff15bd79fcc25
  - Unify resolving current directory in KUD scripts

    Issue-ID: MULTICLOUD-685

    Change-Id: I62199f64da360627a13c467139a39430ae389167
    Signed-off-by: Samuli Silvius <s.silvius@partner.samsung.com>
  - Adding ci-kud-installer wrapper

    this wrapper is new entry point for CI job triggering aio.sh
    execution.

    Change-Id: I650675c9cfff396010bf3a1d36e9840dedf9d403
    Issue-ID: MULTICLOUD-635
    Signed-off-by: Michal Ptacek <m.ptacek@partner.samsung.com>
    Signed-off-by: Samuli Silvius <s.silvius@partner.samsung.com>