New: Unmapped files view (#888)

* New: Unmapped files view

Displays all trackfiles that haven't been matched to a track.
Generalised the file details component and adds it to the album
details screen.

* Add sorting by quality

* New: MediaServiceTests & MediaRepoTests

frontend/src/App/AppRoutes.js

@@ -9,6 +9,7 @@ import AddNewArtistConnector from 'AddArtist/AddNewArtist/AddNewArtistConnector'
 import ImportArtist from 'AddArtist/ImportArtist/ImportArtist';
 import ArtistEditorConnector from 'Artist/Editor/ArtistEditorConnector';
 import AlbumStudioConnector from 'AlbumStudio/AlbumStudioConnector';
+import UnmappedFilesTableConnector from 'UnmappedFiles/UnmappedFilesTableConnector';
 import ArtistDetailsPageConnector from 'Artist/Details/ArtistDetailsPageConnector';
 import AlbumDetailsPageConnector from 'Album/Details/AlbumDetailsPageConnector';
 import CalendarPageConnector from 'Calendar/CalendarPageConnector';
@@ -90,6 +91,11 @@ function AppRoutes(props) {
         component={AlbumStudioConnector}
       />
 
+      <Route
+        path="/unmapped"
+        component={UnmappedFilesTableConnector}
+      />
+
       <Route
         path="/artist/:foreignArtistId"
         component={ArtistDetailsPageConnector}