ETA for finished torrent is now 0 instead of Infinite (closes #583704)

Fix unicode issue in start seeding after torrent creation code

src/createtorrent_imp.cpp

@@ -199,7 +199,7 @@ void createtorrent::handleCreationSuccess(QString path, const char* branch_path)
       return;
     }
     QString hash = misc::toQString(t->info_hash());
-    TorrentTempData::setSavePath(hash, QString(branch_path));
+    TorrentTempData::setSavePath(hash, QString::fromLocal8Bit(branch_path));
 #ifdef LIBTORRENT_0_15
     // Enable seeding mode (do not recheck the files)
     TorrentTempData::setSeedingMode(hash, true);

src/misc.cpp

@@ -522,6 +522,9 @@ QString misc::userFriendlyDuration(qlonglong seconds) {
   if(seconds < 0) {
     return QString::fromUtf8("∞");
   }
+  if(seconds == 0) {
+    return "0";
+  }
   if(seconds < 60) {
     return tr("< 1m", "< 1 minute");
   }

src/transferlistwidget.cpp

@@ -454,7 +454,7 @@ void TransferListWidget::setFinished(QTorrentHandle &h) {
         listModel->setData(listModel->index(row, TR_STATUS), STATE_STALLED_UP);
         setRowColor(row, QApplication::palette().color(QPalette::WindowText));
       }
-      listModel->setData(listModel->index(row, TR_ETA), QVariant((qlonglong)-1));
+      listModel->setData(listModel->index(row, TR_ETA), QVariant((qlonglong)0));
       listModel->setData(listModel->index(row, TR_DLSPEED), QVariant((double)0.));
       listModel->setData(listModel->index(row, TR_PROGRESS), QVariant((double)1.));
       listModel->setData(listModel->index(row, TR_PRIORITY), QVariant((int)-1));