Preparation for subtree configuration
Before reintroduction of src_utilities
Add 'src_utilities/' from commit '47e221e8c07b7616aa0eaab4f5dd5d9e9b1453b1'

git-subtree-dir: src_utilities
git-subtree-mainline: 823567dc49abcfc1b1c1345b59ec3864dcb0084a
git-subtree-split: 47e221e8c07b7616aa0eaab4f5dd5d9e9b1453b1