docs(README.md): update backlog link to GitHub projects

The project backlog has been moved to GitHub projects as Waffle.io
is being shutdown.

The License badge has also been added to bring it inline with the
other repos.

README.md

@@ -7,7 +7,8 @@
 [![Documentation][Academy-Badge]][VRTK.Academy]
 [![Videos][Videos-Badge]][Videos]
 [![Twitter][Twitter-Badge]][Twitter]
-[![Waffle][Waffle-Badge]][Waffle]
+[![License][License-Badge]][License]
+[![Backlog][Backlog-Badge]][Backlog]
 
 ## Introduction
 
@@ -23,7 +24,7 @@ Visit the [VRTK.Academy] for a collection of educational content to help you get
 
 ### Setting up the project
 
-* Create a new project in the Unity software version 2018.3 (or above) using 3D Template or open an existing project.
+* Create a new project in the Unity software version 2018.3.10f1 (or above) using 3D Template or open an existing project.
 * Ensure `Virtual Reality Supported` is checked:
   * In the Unity software select `Main Menu -> Edit -> Project Settings` to open the `Project Settings` window.
   * Select `Player` from the left hand menu in the `Project Settings` window.
@@ -74,7 +75,7 @@ We're not currently in a place where accepting contributions would be helpful. B
 
 ## License
 
-Code released under the [MIT License].
+Code released under the [MIT License][License].
 
 ## Disclaimer
 
@@ -83,16 +84,17 @@ These materials are not sponsored by or affiliated with Unity Technologies or it
 [VRTK-Image]: https://user-images.githubusercontent.com/1029673/40060519-bb122e8c-584e-11e8-8402-ca168b327671.png
 [Unity]: https://unity3d.com/
 [Made With VRTK]: https://www.vrtk.io/madewith.html
-[MIT License]: LICENSE.md
+[License]: LICENSE.md
 
 [Slack-Badge]: https://img.shields.io/badge/slack-chat-E24663.svg
 [Academy-Badge]: https://img.shields.io/badge/vrtk-academy-3484C6.svg
 [Videos-Badge]: https://img.shields.io/badge/youtube-channel-e52d27.svg
 [Twitter-Badge]: https://img.shields.io/twitter/follow/vr_toolkit.svg?style=flat&label=twitter
-[Waffle-Badge]: https://img.shields.io/badge/project-backlog-78bdf2.svg
+[Backlog-Badge]: https://img.shields.io/badge/project-backlog-78bdf2.svg
+[License-Badge]: https://img.shields.io/github/license/ExtendRealityLtd/VRTK.svg
 
 [Slack]: http://invite.vrtk.io
 [VRTK.Academy]: https://academy.vrtk.io
 [Videos]: http://videos.vrtk.io
 [Twitter]: https://twitter.com/VR_Toolkit
-[Waffle]: http://tracker.vrtk.io
+[Backlog]: http://tracker.vrtk.io