Fix a bug with pagination in Albums page

app/views/AlbumsPage.jsx

@@ -39,7 +39,7 @@ class AlbumsPageIntl extends Component {
             // Unload data on page change
             this.props.actions.clearPaginatedResults();
             // Load new data
-            this.props.actions.loadAlbums({pageNumber: nextPage});
+            this.props.actions.loadPaginatedAlbums({pageNumber: nextPage});
         }
     }
 
@@ -73,7 +73,7 @@ const mapStateToProps = (state) => {
             id => state.entities.getIn(["entities", "album", id])
         );
         albumsList.forEach(function (album) {
-            const albumArtist = album.get("artist");
+            const albumArtist = album.get("artist");  // TODO: get on undefined
             artistsList = artistsList.set(albumArtist, state.entities.getIn(["entities", "artist", albumArtist]));
         });
     }

app/views/SongsPage.jsx

@@ -71,7 +71,7 @@ const mapStateToProps = (state) => {
         songsList = state.paginated.result.map(function (id) {
             let song = state.entities.getIn(["entities", "song", id]);
             // Add artist and album infos to song
-            const artist = state.entities.getIn(["entities", "artist", song.get("artist")]);
+            const artist = state.entities.getIn(["entities", "artist", song.get("artist")]);  // TODO: get on undefined
             const album = state.entities.getIn(["entities", "album", song.get("album")]);
             return (
                 song