Update git submodules
* Update solum from branch 'master'
- Merge "Deprecated the yamlutils module."
- Deprecated the yamlutils module.
The pyyaml is now safe by default:
https://github.com/yaml/pyyaml/pull/74/files
https://access.redhat.com/security/cve/CVE-2017-18342
So the yamlutils is now useless. We can depracated it and then remove it.
Change-Id: I37abea48517f96d06ee9a4b9303973522b802c07
This commit is contained in: