Made modal system more generic

app/assets/javascripts/components/actions/modal.jsx

app/assets/javascripts/components/components/lightbox.jsx

...ts/javascripts/components/containers/status_container.jsx

app/assets/javascripts/components/features/status/index.jsx

...scripts/components/features/ui/components/media_modal.jsx

...ascripts/components/features/ui/components/modal_root.jsx

...pts/components/features/ui/containers/modal_container.jsx

app/assets/javascripts/components/features/ui/index.jsx

app/assets/javascripts/components/reducers/modal.jsx

app/assets/stylesheets/components.scss