Update License

CONTRIBUTIONS.md

+# Contributions
+
+## If you are interested in contributing, here are some ground rules:
+* Talk to us before doing the work -- we love contributions, but we might already be working on the same thing, or we might have different opinions on how it should be implemented.
+
+## All contributions are subject to the [Unity Contribution Agreement(UCA)](https://unity3d.com/legal/licenses/Unity_Contribution_Agreement)
+By making a pull request, you are confirming agreement to the terms and conditions of the UCA, including that your Contributions are your original creation and that you have complete right and authority to make your Contributions.
+
+## Once you have a change ready following these ground rules. Simply make a pull request in Github

CONTRIBUTIONS.md.meta

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LICENSE.md

+Copyright © 2018 Unity Technologies ApS
+
+Licensed under the Unity Companion License for Unity-dependent projects--see [Unity Companion License](http://www.unity3d.com/legal/licenses/Unity_Companion_License). 
+
+Unless expressly provided otherwise, the Software under this license is made available strictly on an “AS IS” BASIS WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. Please review the license for details on these and other terms and conditions.

LICENSE_BACKUP_25184.md

+Copyright © 2018 Unity Technologies ApS
+
+Licensed under the Unity Companion License for Unity-dependent projects--see [Unity Companion License](http://www.unity3d.com/legal/licenses/Unity_Companion_License). 
+
+Unless expressly provided otherwise, the Software under this license is made available strictly on an “AS IS” BASIS WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. Please review the license for details on these and other terms and conditions.

ScriptableRenderPipeline/Core/LICENSE.md

+Render Pipeline Core copyright © 2018 Unity Technologies ApS
+
+Licensed under the Unity Companion License for Unity-dependent projects--see [Unity Companion License](http://www.unity3d.com/legal/licenses/Unity_Companion_License). 
+
+Unless expressly provided otherwise, the Software under this license is made available strictly on an “AS IS” BASIS WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. Please review the license for details on these and other terms and conditions.

ScriptableRenderPipeline/HDRenderPipeline/LICENSE.md

+High Definition Render Pipeline copyright © 2018 Unity Technologies ApS
+
+Licensed under the Unity Companion License for Unity-dependent projects--see [Unity Companion License](http://www.unity3d.com/legal/licenses/Unity_Companion_License). 
+
+Unless expressly provided otherwise, the Software under this license is made available strictly on an “AS IS” BASIS WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. Please review the license for details on these and other terms and conditions.

ScriptableRenderPipeline/LightweightPipeline/LICENSE.md

+Lightweight Render Pipeline copyright © 2018 Unity Technologies ApS
+
+Licensed under the Unity Companion License for Unity-dependent projects--see [Unity Companion License](http://www.unity3d.com/legal/licenses/Unity_Companion_License). 
+
+Unless expressly provided otherwise, the Software under this license is made available strictly on an “AS IS” BASIS WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. Please review the license for details on these and other terms and conditions.