Use parameters instead of concatenation in UI strings

Translations sometimes need to have different word order.

src/libsnore/snore.cpp

@@ -256,7 +256,7 @@ Notification SnoreCore::getActiveNotificationByID(uint id) const
 void SnoreCore::displayExapleNotification()
 {
     Application app = SnoreCorePrivate::instance()->defaultApplication();
-    QString text = QLatin1String("<i>") + tr("This is ") + app.name() + QLatin1String("</i><br>"
+    QString text = QLatin1String("<i>") + tr("This is %1").arg(app.name()) + QLatin1String("</i><br>"
                    "<b>") + tr("Everything is awesome!") + QLatin1String("</b><br>");
     if (!app.constHints().value("use-markup").toBool()) {
         text = Utils::normalizeMarkup(text, Utils::NO_MARKUP);

src/plugins/backends/growl/growlbackend.cpp

@@ -67,7 +67,7 @@ bool GrowlBackend::isReady()
 {
     bool running = Growl::isRunning(GROWL_TCP, settingsValue(QLatin1String("Host")).toString().toUtf8().constData());
     if (!running) {
-        setErrorString(name() + tr(" is not running."));
+        setErrorString(tr("%1 is not running.").arg(name()));
     }
     return running;
 }

src/plugins/backends/snarl/snarl.cpp

@@ -147,7 +147,7 @@ bool SnarlBackend::isReady()
 {
     bool running = SnarlInterface::IsSnarlRunning();
     if (!running) {
-        setErrorString(name() + tr(" is not running."));
+        setErrorString(tr("%1 is not running.").arg(name()));
     }
     return running;
 }

src/plugins/backends/snoretoast/snoretoast.cpp

@@ -17,7 +17,7 @@ using namespace Snore;
 bool SnoreToast::isReady()
 {
     if (errorString().isEmpty() && QSysInfo::windowsVersion() < QSysInfo::WV_WINDOWS8) {
-        setErrorString(name() + tr(" needs at least Windows 8 to run."));
+        setErrorString(tr("%1 needs at least Windows 8 to run.").arg(name()));
         return false;
     }
     return true;

src/settings/settingswindow.cpp

@@ -49,7 +49,7 @@ SettingsWindow::SettingsWindow(const QString &appName, QWidget *parent) :
         ui->comboBox->deleteLater();
         ui->label->deleteLater();
         SnoreCorePrivate::instance()->setLocalSttingsPrefix(appName);
-        setWindowTitle(appName + tr(" Settings"));
+        setWindowTitle(tr("%1 Settings").arg(appName));
         ui->widget->initTabs();
         ui->widget->setVisible(true);
     }