Cycles: Vector Rotate Node using Axis and Angle method

This node provides the ability to rotate a vector around a `center` point using either `Axis Angle` , `Single Axis` or `Euler` methods.

Reviewed By: #cycles, brecht

Differential Revision: https://developer.blender.org/D3789

release/scripts/startup/nodeitems_builtins.py

@@ -264,6 +264,7 @@ shader_node_categories = [
         NodeItem("ShaderNodeNormalMap"),
         NodeItem("ShaderNodeNormal"),
         NodeItem("ShaderNodeVectorCurve"),
+        NodeItem("ShaderNodeVectorRotate"),
         NodeItem("ShaderNodeVectorTransform"),
     ]),
     ShaderNodeCategory("SH_NEW_CONVERTOR", "Converter", items=[