Fix tutorial Google Colab links and file downloads

Author: nickbianco

Bindings/Python/tutorials/Tutorial 2 - Creating and Simulating a simple arm Model.ipynb

@@ -67,7 +67,7 @@
     "id": "mmmTuEI4HQJG"
    },
    "source": [
-    "First, set up the environment by executing the following cell (See [Tutorial 1: Introduction to OpenSim](https://drive.google.com/file/d/1P_2IRJFzdodS1-ce4BsOsC9d8xWXCqXS/view?usp=sharing))."
+    "First, set up the environment by executing the following cell (See [Tutorial 1: Introduction to OpenSim](https://colab.research.google.com/github/nickbianco/opensim-core/blob/python_examples/Bindings/Python/tutorials/Tutorial%201%20-%20Introduction%20to%20OpenSim.ipynb))."
    ]
   },
   {

Bindings/Python/tutorials/Tutorial 3 - Loading and Modifying OpenSim Models.ipynb

@@ -73,7 +73,7 @@
     "id": "mmmTuEI4HQJG"
    },
    "source": [
-    "First, set up the environment by executing the following cell (see [Tutorial 1: Introduction to OpenSim](https://drive.google.com/file/d/1P_2IRJFzdodS1-ce4BsOsC9d8xWXCqXS/view?usp=sharing) for more details)."
+    "First, set up the environment by executing the following cell (see [Tutorial 1: Introduction to OpenSim](https://colab.research.google.com/github/nickbianco/opensim-core/blob/python_examples/Bindings/Python/tutorials/Tutorial%201%20-%20Introduction%20to%20OpenSim.ipynb) for more details)."
    ]
   },
   {

Bindings/Python/tutorials/Tutorial 4 - Musculoskeletal models, Motion Files and MuscleAnalysis.ipynb

@@ -101,7 +101,7 @@
     "id": "mmmTuEI4HQJG"
    },
    "source": [
-    "First, set up the environment by executing the following cell (see [Tutorial 1: Introduction to OpenSim](https://drive.google.com/file/d/1P_2IRJFzdodS1-ce4BsOsC9d8xWXCqXS/view?usp=sharing) for more information)."
+    "First, set up the environment by executing the following cell (see [Tutorial 1: Introduction to OpenSim](https://colab.research.google.com/github/nickbianco/opensim-core/blob/python_examples/Bindings/Python/tutorials/Tutorial%201%20-%20Introduction%20to%20OpenSim.ipynb) for more information)."
    ]
   },
   {

Bindings/Python/tutorials/Tutorial 5 - Scaling, Inverse Kinematics, and Inverse Dynamics.ipynb

@@ -100,7 +100,7 @@
     "id": "mmmTuEI4HQJG"
    },
    "source": [
-    "First, set up the environment by executing the following cell (See [Tutorial 1: Introduction to OpenSim in Colab](https://drive.google.com/file/d/1P_2IRJFzdodS1-ce4BsOsC9d8xWXCqXS/view?usp=sharing) for more information)."
+    "First, set up the environment by executing the following cell (See [Tutorial 1: Introduction to OpenSim in Colab](https://colab.research.google.com/github/nickbianco/opensim-core/blob/python_examples/Bindings/Python/tutorials/Tutorial%201%20-%20Introduction%20to%20OpenSim.ipynb) for more information)."
    ]
   },
   {

Bindings/Python/tutorials/Tutorial 6 - Static Optimization.ipynb

@@ -126,7 +126,7 @@
     "id": "mmmTuEI4HQJG"
    },
    "source": [
-    "First, set up the environment by executing the following cell (See [Tutorial 1: Introduction to OpenSim](https://drive.google.com/file/d/1P_2IRJFzdodS1-ce4BsOsC9d8xWXCqXS/view?usp=sharing) for more information)."
+    "First, set up the environment by executing the following cell (See [Tutorial 1: Introduction to OpenSim](https://colab.research.google.com/github/nickbianco/opensim-core/blob/python_examples/Bindings/Python/tutorials/Tutorial%201%20-%20Introduction%20to%20OpenSim.ipynb) for more information)."
    ]
   },
   {

Bindings/Python/tutorials/Tutorial 8 - Creating Muscle-driven Simulations with OpenSim Moco.ipynb

@@ -174,7 +174,7 @@
         "\n",
         "# Define the button click event handler\n",
         "def on_button_click(b):\n",
-        "    url = 'https://drive.google.com/uc?export=download&id=1avX8gITGgjpQUaWCZuN2U8Fd1gXApscS'\n",
+        "    url = 'https://drive.google.com/uc?export=download&id=1xnrBNTqIHQVIIxQNQEbHUmVLLRduV5jd'\n",
         "    if url:\n",
         "        download_and_extract_zip(url)\n",
         "    else:\n",