Issue #2141121 by shumushin: Initial D8 port

CHANGELOG.txt

README.txt

composer.json

config/install/module_filter.settings.yml

config/schema/module_filter.schema.yml

css/module_filter.css

css/modules.css

css/update_status.css

images/collapsed.png

images/expanded.png

js/dynamic_position.js

js/module_filter.js

js/module_filter_tab.js

js/modules.js

js/update_status.js

module_filter.admin.inc

module_filter.info

module_filter.info.yml

module_filter.install

module_filter.libraries.yml