Update Notebook examples to current form of edit/command mode area look.

Update screenshots and area description to match that of keyboard help page.

docs/source/examples/Notebook/Notebook Basics.ipynb

@@ -197,7 +197,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Command mode is indicated by a grey cell border:\n",
+    "Command mode is indicated by a grey cell border with a blue left margin:\n",
     "\n",
     "<img src=\"images/command_mode.png\">\n",
     "\n",
@@ -291,7 +291,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "IPython (Python 3)",
    "language": "python",
    "name": "python3"
   },
@@ -305,7 +305,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.4.0"
+   "version": "3.5.1"
   }
  },
  "nbformat": 4,

docs/source/examples/Notebook/rstversions/Notebook Basics.rst

@@ -142,7 +142,7 @@ cell's editor area.
 Command mode
 ~~~~~~~~~~~~
 
-Command mode is indicated by a grey cell border:
+Command mode is indicated by a grey cell border with a blue left margin:
 
 When you are in command mode, you are able to edit the notebook as a
 whole, but not type into individual cells. Most importantly, in command