Merge changes I78e22429,Ic101f384,I8dd4128b

* changes:
  Use common secret template in mariadb-galera
  Improve common secret template
  Add secret template to common templates
tree: a751a743265fcb6608a8fdddbeecc0b37e94117a
  1. docs/
  2. kubernetes/
  3. TOSCA/
  4. .gitignore
  5. .gitmodules
  6. .gitreview
  7. INFO.yaml