Adding refined render_factors as example for colab

DeOldify_colab.ipynb

@@ -562,7 +562,7 @@
    "outputs": [],
    "source": [
     "# %matplotlib inline\n",
-    "vis.plot_transformed_image('abe2.jpg')"
+    "vis.plot_transformed_image('abe2.jpg', render_factor=25)"
    ]
   },
   {
@@ -596,7 +596,7 @@
    },
    "outputs": [],
    "source": [
-    "vis.plot_transformed_image('family_TV.jpg')"
+    "vis.plot_transformed_image('family_TV.jpg', render_factor=41)"
    ]
   },
   {
@@ -640,7 +640,7 @@
    },
    "outputs": [],
    "source": [
-    "vis.plot_transformed_image('Dorothy.jpg')"
+    "vis.plot_transformed_image('Dorothy.jpg', render_factor=30)"
    ]
   },
   {
@@ -684,7 +684,7 @@
    },
    "outputs": [],
    "source": [
-    "vis.plot_transformed_image('butch_and_sundance.jpg')"
+    "vis.plot_transformed_image('butch_and_sundance.jpg', render_factor=29)"
    ]
   },
   {