Add default asset image to support all mal languages

Author: mrkickling

mal_gui/MainWindow.py

@@ -105,7 +105,7 @@ def __init__(self,app,malLanguageMarFilePath):
             if not asset.is_abstract:
                 self.assetFactory.registerAsset(
                     asset.name,
-                    assetImages[asset.name]
+                    assetImages.get(asset.name, image_path('unknown.png'))
                 )
 
         #assetFactory registration should complete before injecting into ModelScene

mal_gui/ObjectExplorer/AssetBase.py

@@ -24,7 +24,7 @@ def __init__(self, assetType, assetName, imagePath, parent=None):
         self.assetName = assetName
         self.assetSequenceId = AssetBase.generateNextSequenceId()
         self.imagePath = imagePath
-        print("image path = "+ self.imagePath)
+        print("image path = ", self.imagePath)
 
         # self.image = QPixmap(self.imagePath).scaled(30, 30, Qt.KeepAspectRatio)  # Scale the image here
         # self.image = QPixmap(self.imagePath)