Updated repository branch to use

Author: AdrienJaugey

Mask_R_CNN_Nephrology_Inference.ipynb

@@ -84,7 +84,7 @@
    "source": [
     "if IN_COLAB:\n",
     "    import os\n",
-    "    GITHUB_BRANCH = \"experimental\"\n",
+    "    GITHUB_BRANCH = \"master\"\n",
     "    GITHUB_REPO = f\"https://raw.githubusercontent.com/AdrienJaugey/Custom-Mask-R-CNN-for-kidney-s-cell-recognition/{GITHUB_BRANCH}/\"\n",
     "    files = ['mrcnn/config.py', 'mrcnn/utils_tf115.py', 'mrcnn/model_tf115.py', \n",
     "             'mrcnn/visualize.py', 'datasetTools/datasetDivider.py',\n",