Merge pull request #1 from unity/fix_sample

Reimporting materials to fix conflicting guids

Assets/Materials/JointLineMaterial.mat.meta

 fileFormatVersion: 2
-guid: 1d85e66239f5b41eb87246c413157610
+guid: 7c57bb7614d2746e4a2cc322b1174d39
 NativeFormatImporter:
   externalObjects: {}
   mainObjectFileID: 2100000

Assets/Prefabs/JointLineRenderer.prefab

   m_RenderingLayerMask: 1
   m_RendererPriority: 0
   m_Materials:
-  - {fileID: 2100000, guid: 1d85e66239f5b41eb87246c413157610, type: 2}
+  - {fileID: 2100000, guid: 7c57bb7614d2746e4a2cc322b1174d39, type: 2}
   m_StaticBatchInfo:
     firstSubMesh: 0
     subMeshCount: 0