publish composer changes
Merge branch 'patch-21' of github.com:Remo/concrete5 into vet_composer_workflow_regression
Vet Composer Workflow PR and Button Text

- Vet composer worflow pull request
- Make Publish button display "Submit to Workflow" when under workflow
Change `require_once` to `Loader::library`

Change `require_once` to `Loader::libary('3rdparty/Zend/Cache')`

This allows for overrides when using with Zend
Merge pull request #981 from mkly/vet_composer_workflow_regression

Vet Composer Workflow
updating version
Merge pull request #982 from mkly/fix_zend_cache_loader_library

Change `require_once` to `Loader::library`