Capitalize strawberry in osd and tooltip, change cdcase and remove some

unused code

src/covermanager/albumcoverchoicecontroller.cpp

@@ -66,11 +66,11 @@ QSet<QString> *AlbumCoverChoiceController::sImageExtensions = nullptr;
 
 AlbumCoverChoiceController::AlbumCoverChoiceController(QWidget *parent) :
     QWidget(parent),
-      app_(nullptr),
-      cover_searcher_(nullptr),
-      cover_fetcher_(nullptr),
-      save_file_dialog_(nullptr),
-      cover_from_url_dialog_(nullptr) {
+    app_(nullptr),
+    cover_searcher_(nullptr),
+    cover_fetcher_(nullptr),
+    save_file_dialog_(nullptr),
+    cover_from_url_dialog_(nullptr) {
 
   cover_from_file_ = new QAction(IconLoader::Load("document-open"), tr("Load cover from disk..."), this);
   cover_to_file_ = new QAction(IconLoader::Load("document-save"), tr("Save cover to disk..."), this);