Fixed broken renames in qml

__init__.py

@@ -1,11 +1,11 @@
 #Shoopdawoop
-from plugins.CuraEngineBackend import CuraEngineBackend
+from plugins.UMEngineBackend import UMEngineBackend
 
 def getMetaData():
-    return { "name": "CuraBackend", "type": "Backend" }
+    return { "name": "UMBackend", "type": "Backend" }
 
 def register(app):
 
-    engine = CuraEngineBackend()
+    engine = UMEngineBackend()
     app.setBackend(engine)
     #engine.addCommand(TransferMeshCommand())