Update git submodules

Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 8445148cf095fcc55a9ada3e2bb0fece7a065089
  - Merge "Change the import paths for go get access"
  - Change the import paths for go get access

    This allows other projects to do a go get and use this repo.
    go get github.com/multicloud-k8s/src/k8splugin
    will do the job.
    import github.com/multicloud-k8s/src/k8splugin
    will import the root package

    Issue-ID: MULTICLOUD-666
    Change-Id: I2f41c88c5a7fb3305b78cce8a83a0e102baa444c
    Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>