Updated broken links to README pages

Author: cre8ivepark

README.md

@@ -15,10 +15,10 @@ Learn more about [mixed reality](https://developer.microsoft.com/en-us/windows/m
 [![Github Release][github-rel-badge]][github-rel]
 
 # Feature areas
-| ![Input](External/ReadMeImages/MRTK170802_Short_03.png) [Input](Assets/MixedRealityToolkit/Input/README.md)| ![Sharing](External/ReadMeImages/MRTK170802_Short_04.png) [Sharing](Assets/MixedRealityToolkit/Sharing/README.md)| ![Spatial Mapping](External/ReadMeImages/MRTK170802_Short_05.png) [Spatial Mapping](Assets/MixedRealityToolkit/SpatialMapping/README.md)| ![Spatial Understanding](External/ReadMeImages/MRTK170802_Short_06.png) [Spatial Understanding](Assets/MixedRealityToolkit/SpatialUnderstanding/README.md)|
+| ![Input](External/ReadMeImages/MRTK170802_Short_03.png) [Input](Assets/HoloToolkit/Input/README.md)| ![Sharing](External/ReadMeImages/MRTK170802_Short_04.png) [Sharing](Assets/HoloToolkit/Sharing/README.md)| ![Spatial Mapping](External/ReadMeImages/MRTK170802_Short_05.png) [Spatial Mapping](Assets/HoloToolkit/SpatialMapping/README.md)| ![Spatial Understanding](External/ReadMeImages/MRTK170802_Short_06.png) [Spatial Understanding](Assets/HoloToolkit/SpatialUnderstanding/README.md)|
 | :--------------------- | :----------------- | :------------------ | :------------------------ |
 | Scripts that leverage inputs such as gaze, gesture, voice and motion controllers.             | Sharing library enables collaboration across multiple devices.  | Scripts that allow applications to bring the real world into the digital using HoloLens.        | Tailor experiences based on room semantics like couch, wall etc. |
-| ![Spatial Sound](External/ReadMeImages/MRTK170802_Short_09.png) [Spatial Sound](Assets/MixedRealityToolkit/SpatialSound/README.md)| ![UI Controls](External/ReadMeImages/MRTK170802_Short_10.png) [UI Controls](Assets/MixedRealityToolkit/UI/README.md)| ![Utilities](External/ReadMeImages/MRTK170802_Short_11.png) [Utilities](Assets/MixedRealityToolkit/Utilities/README.md)| ![Build](External/ReadMeImages/MRTK170802_Short_12.png) [Build](Assets/MixedRealityToolkit/Build/README.md)|
+| ![Spatial Sound](External/ReadMeImages/MRTK170802_Short_09.png) [Spatial Sound](Assets/HoloToolkit/SpatialSound/README.md)| ![UI Controls](External/ReadMeImages/MRTK170802_Short_10.png) [UI Controls](Assets/HoloToolkit/UI/README.md)| ![Utilities](External/ReadMeImages/MRTK170802_Short_11.png) [Utilities](Assets/HoloToolkit/Utilities/README.md)| ![Build](External/ReadMeImages/MRTK170802_Short_12.png) [Build](Assets/HoloToolkit/Build/README.md)|
 | Scripts to help plug spatial audio into your application.           | Building blocks for creating good UI in your application like common controls.    | Common helpers and tools that you can leverage in your application.      | Build and deploy automation window for Unity Editor.|