[G#26715] Fix theme validation
Merge branch '7.x-2.x' into G26715-fix-theme-validation
Move themes into subfolder to enable code standards checks
[G#26715] Add custom PHPMD ruleset and exclude two unnecessary rules
[G#26715] Fix some CS issues in theme.
[G#26715] Not just agov
Merge pull request #264 from previousnext/G26715-fix-theme-validation

G26715 fix theme validation