Returns the next power of two value.

	// prints 8
	Debug.Log(Mathf.NextPowerOfTwo(7));
	
	// prints 256
	Debug.Log(Mathf.NextPowerOfTwo(139));

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        Debug.Log(Mathf.NextPowerOfTwo(7));
        Debug.Log(Mathf.NextPowerOfTwo(139));
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		Debug.Log(Mathf.NextPowerOfTwo(7))
		Debug.Log(Mathf.NextPowerOfTwo(139))