Review requests for JDK-8030199, JDK-8030200

[Hannes Wallnoefer]

Please review the following patches:

JDK-8030199: Nashorn: Uint8ClampedArray - Incorrect ToUint8Clamp 
implementation
http://cr.openjdk.java.net/~hannesw/8030199/
JDK-8030200: Wrong result for Number.prototype.toString() for certain 
radix/inputs
http://cr.openjdk.java.net/~hannesw/8030200/

Thanks,
Hannes