Model/Workflow: Rename method createWorkflow() to createOrLoadWorkflow()
Mvc: Use class property $action instead of transfer by method parameter
Model/Workflow: Separate workflow classname from url

If workflow classname is in url, then got an url with mixed StudyCaps and
snakeCase style, it's so strange.
Mvc: Remove dependence of ServiceContainer from Controler
Mvc: Remove dependence of ServiceContainer from View
Mvc: Remove dependence of ServiceContainer from AbstractModel