Made all graphs to have tight bounding boxes.

stackoverflow-survey.ipynb

@@ -89,7 +89,7 @@
     "    plt.grid(axis='x', linestyle='--', alpha=0.75) \n",
     "    plt.title(\"%s vs %s\" % (label1, label2))\n",
     "    if saveto is not None:\n",
-    "        plt.savefig(saveto)\n",
+    "        plt.savefig(saveto, bbox_inches='tight')\n",
     "    del df, df2\n",
     "\n",
     "l1 = get_langs( so_df )\n",
@@ -152,7 +152,7 @@
     "        # don't draw the line if every value is greater than 0\n",
     "        plt.axhline(y=df[KEY].tolist().index(lowest) + offset, color='red', linestyle='--')\n",
     "    if saveto is not None:\n",
-    "        plt.savefig(saveto)\n",
+    "        plt.savefig(saveto, bbox_inches='tight')\n",
     "    \n",
     "motiv_diff = get_difference(l2, l1)\n",
     "# print(motiv_diff)\n",