6985179: To support Server Name Indication extension for JSSE client
Summary: Introduces the algorithm constraints to support signature and hash algorithm selection. Includes contributions from wetmore and weijung.
Reviewed-by: wetmore, weijun

Reviewed-by: darcy, weijun

Reviewed-by: ohair

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Reviewed-by: valeriep