Features Drush command should warn user if importing config from non-feature module

Problem/Motivation

If use the Drush command fim to try to import module that has no *.features.yml file, no configuration will be "updated", and you won't get any notification for that.

Steps to reproduce

• create new module with at least one config file in /config/install
• Do not add .features.yml
• try to import module with drush fim <your_module>
• Config will not be imported (nothing happens).

Expected: Features prints a message indicating that the module is not a feature module.

Proposed resolution

• Call FeaturesManager::isFeatureModule().
• On FALSE, throw Exception and print message "[module name] is not a feature module."

Remaining tasks

User interface changes

API changes

Data model changes