force check for Core-1.3.x type modules 

(thus allowing PSR-4 type) in module install, act/de-activate, remove. fixes #1879. refs #1833

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #1879
| Refs tickets  | #1833
| License       | MIT
| Doc PR        | -