notebooks consistent with README and scripts

demo2_building_blocks.ipynb

@@ -42,7 +42,7 @@
    ],
    "source": [
     "from IPython.display import Image\n",
-    "PATH = \"WideDeeper.png\"\n",
+    "PATH = \"widedeeper.png\"\n",
     "Image(filename = PATH, width=900, height=400)"
    ]
   },

demo3_using_it.ipynb

@@ -925,8 +925,8 @@
     "# cv2 reads bgr\n",
     "# mean=[0.485, 0.456, 0.406] #RGB\n",
     "# std=[0.229, 0.224, 0.225]  #RGB\n",
-    "mean=[0.406, 0.456, 0.485] #RGB\n",
-    "std=[0.225, 0.224, 0.229]  #RGB\n",
+    "mean=[0.406, 0.456, 0.485]\n",
+    "std=[0.225, 0.224, 0.229]\n",
     "transform  = transforms.Compose([\n",
     "    transforms.ToTensor(),\n",
     "    transforms.Normalize(mean=mean, std=std)\n",