Squashed 'themes/mbadmin/' content from commit 7ef8045

git-subtree-dir: themes/mbadmin
git-subtree-split: 7ef8045b2d352e41a0b04295b0c2f47e71c7417d
Merge commit 'f24edb494b46f30ea993d5c5b20a71c353009284' as 'themes/mbadmin'
psr-4