Loading files now uses home folder as default location

CURA-906

cura/CuraApplication.py

@@ -129,6 +129,10 @@ class CuraApplication(QtApplication):
                 continue
 
             self._recent_files.append(QUrl.fromLocalFile(f))
+
+    @pyqtSlot(result = QUrl)
+    def getDefaultSavePath(self):
+        return QUrl.fromLocalFile(os.path.expanduser("~/"))
     
     ##  Handle loading of all plugin types (and the backend explicitly)
     #   \sa PluginRegistery

resources/qml/Cura.qml

@@ -667,7 +667,7 @@ UM.MainWindow
         //TODO: Support multiple file selection, workaround bug in KDE file dialog
         //selectMultiple: true
         nameFilters: UM.MeshFileHandler.supportedReadFileTypes;
-
+        folder: Printer.getDefaultSavePath()
         onAccepted:
         {
             //Because several implementations of the file dialog only update the folder