7132248: sun/security/ssl/sun/net/www/protocol/https/HttpsURLConnection/CookieHttpsClientTest.java failing Reviewed-by: alanb

4504839: Java libraries should provide support for unsigned integer arithmetic 4215269: Some Integer.toHexString(int) results cannot be decoded back to an int 6322074: Converting integers to string as if unsigned Reviewed-by: mduigou, emcmanus, flar

7092825: javax.crypto.Cipher.Transform.patternCache is synchronizedMap and became scalability bottleneck. Summary: Changed patternCache from synchronizedMap to ConcurrentHashMap. Reviewed-by: mullan