Merge pull request miykael#102 from miykael/add_memory_estimate

ENH: add memory estimate to FSL's segmentation node

Author: miykael

notebooks/example_preprocessing.ipynb

@@ -197,7 +197,7 @@
     "\n",
     "# FAST - Image Segmentation\n",
     "segmentation = Node(FAST(output_type='NIFTI_GZ'),\n",
-    "                name=\"segmentation\")\n",
+    "                    name=\"segmentation\", mem_gb=4)\n",
     "\n",
     "# Select WM segmentation file from segmentation output\n",
     "def get_wm(files):\n",