Merge pull request #4553 from owncloud/update_search_classes

apps/files/appinfo/app.php

apps/files/js/files.js

core/js/js.js

lib/private/legacy/search.php

lib/private/legacy/search/provider.php

lib/private/legacy/search/provider/file.php

lib/private/legacy/search/result.php

lib/private/search.php

lib/private/search/provider.php

lib/private/search/provider/file.php

lib/private/search/result.php

lib/private/search/result/audio.php

lib/private/search/result/file.php

lib/private/search/result/folder.php

lib/private/search/result/image.php

lib/private/server.php

lib/public/isearch.php

lib/public/iservercontainer.php

lib/public/search/provider.php

lib/public/search/result.php