Added section to install nose. Updated markdown discussions for clarity and consistency.

core/unit_tests.ipynb

@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:3e449ecf28851b7e70f1d46660422e181e340b575d714dfc1f8d29fedafb0584"
+  "signature": "sha256:bbaa3dbaf3f3dd5f608d2ece862d90a61e36ed7e862ce826e0be0132635fbec2"
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@@ -19,23 +19,37 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "## Install Nose"
+      "## Nose\n",
+      "\n",
+      "Testing is a vital part of software development.  Nose extends unittest to make testing easier."
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "```bash\n",
-      "pip install nose\n",
-      "```"
+      "## Install Nose\n",
+      "\n",
+      "Run the following command line:"
      ]
     },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "!pip install nose"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "## Create the Code"
+      "## Create the Code\n",
+      "\n",
+      "Save your code to a file with the %%file magic:"
      ]
     },
     {
@@ -85,7 +99,9 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "## Create the Nose Tests"
+      "## Create the Nose Tests\n",
+      "\n",
+      "Save your test to a file with the %%file magic:"
      ]
     },
     {
@@ -124,7 +140,9 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "## Run the Nose Tests"
+      "## Run the Nose Tests\n",
+      "\n",
+      "Run the following command line:"
      ]
     },
     {