update copyright year, add store module for shows

appinfo/routes.php

css/dashboard.css

css/icons.scss

lib/AppInfo/Application.php

lib/Controller/Errors.php

lib/Controller/PageController.php

lib/Controller/SettingsController.php

lib/Controller/ShowController.php

lib/Dashboard/PodcastWidget.php

lib/Db/Show.php

lib/Db/ShowMapper.php

lib/Migration/Version000000Date20181013124731.php

lib/Search/SearchProvider.php

lib/Service/ShowNotFound.php

lib/Service/ShowService.php

src/App.vue

src/components/ContentCollapsable.vue

src/components/Dashboard.vue

src/components/MediaHeader.vue

src/components/Navigation.vue