Reviewed-by: chegar, forax

Reviewed-by: sherman

Reviewed-by: andrew, darcy

Reviewed-by: alanb

6844313: New I/O: File timestamps should be represented by a FileTime rather than a long+TimeUnit
Reviewed-by: sherman

Reviewed-by: alanb

Reviewed-by: sherman

4313887: New I/O: Improved filesystem interface
4607272: New I/O: Support asynchronous I/O
Reviewed-by: sherman, chegar

Summary: Update copyright for files that have been modified starting July 2008 to Dec 2008
Reviewed-by: katleman, ohair, tbell

Summary: update to check null arg for all Channels methods
Reviewed-by: alanb

Summary: update the spec and implementation to throw ClosedSelectorException
Reviewed-by: alanb

Summary: Update for files that have been modified starting July 2008
Reviewed-by: ohair, tbell

Reviewed-by: iris, sherman, chegar

Reviewed-by: sherman, iris

Summary: Update the API doc to correct the wrong description
Reviewed-by: alanb

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

Reviewed-by: iris, sherman

Reviewed-by: alanb, iris, lmalvent, bristor, peterjones, darcy, wetmore