Sets FBX Mesh Scale Factors to 1 when imported into Unity

FBX_Import.cs

// BatchRename.cs
// Sets FBX Mesh Scale Factors to 1 when imported into Unity
// Via Alan Thorn (TW: @thorn_alan)
using UnityEngine;
using UnityEditor;
using System.Collections;

/// <summary>
/// Sets FBX Mesh Scale Factor to 1
/// </summary>
public class FBX_Import : AssetPostprocessor 
{
	public const float importScale = 1.0f;

	void OnPreprocessModel() 
	{
		ModelImporter importer = assetImporter as ModelImporter;
		importer.globalScale = importScale;
	}
}