fix(VR): Fix VR examples and remove dashboard link

Author: ehdsouza

README.md

@@ -98,9 +98,6 @@ To find out which authentication to use, view the service credentials. You find
 
 On this page, you should be able to see your credentials for accessing your service instance.
 
-![alt text](https://user-images.githubusercontent.com/13935994/55351058-6ac51900-548b-11e9-886e-945c6d4f31df.png)
-
-
 ### Supplying credentials
 
 There are two ways to supply the credentials you found above to the SDK for authentication.

examples/visual_recognition_v3.py

@@ -16,7 +16,7 @@
 # with open(abspath('resources/cars.zip'), 'rb') as cars, \
 #      open(abspath('resources/trucks.zip'), 'rb') as trucks:
 #     classifier = service.create_classifier('Cars vs Trucks',
-#                                            positive_examples={'cars_positive_examples': cars},
+#                                            positive_examples={'cars': cars},
 #                                            negative_examples=trucks).get_result()
 # print(json.dumps(classifier, indent=2))
 

test/integration/test_visual_recognition.py

@@ -42,7 +42,7 @@ def test_custom_classifier(self):
             open(abspath('resources/trucks.zip'), 'rb') as trucks:
             classifier = self.visual_recognition.create_classifier(
                 'CarsVsTrucks',
-                positive_examples={'cars_positive_examples': cars},
+                positive_examples={'cars': cars},
                 negative_examples=trucks,
                 ).get_result()
 

test/unit/test_visual_recognition_v3.py

@@ -111,7 +111,7 @@ def test_create_classifier(self):
 
         with open(os.path.join(os.path.dirname(__file__), '../../resources/cars.zip'), 'rb') as cars, \
             open(os.path.join(os.path.dirname(__file__), '../../resources/trucks.zip'), 'rb') as trucks:
-            vr_service.create_classifier('Cars vs Trucks', positive_examples={'cars_positive_examples': cars}, negative_examples=trucks)
+            vr_service.create_classifier('Cars vs Trucks', positive_examples={'cars': cars}, negative_examples=trucks)
 
         assert len(responses.calls) == 2