RFR: 8154015 Apply algorithm constraints to timestamped code

[Anthony Scarpino]

Hi,

I need a review of the below code.  It's a continuation of the previous 
certpath related changes.  Additional constraints checking on 
timestamped jars being checked by the deploy code

http://cr.openjdk.java.net/~ascarpino/8154015/webrev.01/

thanks

Tony