Reviewed-by: xdono

Reviewed-by: forax

Reviewed-by: forax, chegar

Reviewed-by: darcy, weijun

Reviewed-by: chegar

6925977: (file) test/java/nio/file/Path/CheckPermissions.java fails if test.src on read-only file system
Reviewed-by: chegar

6917021: (file) copyTo/moveTo can overrwrite existing file when target associated with custom provider
Reviewed-by: chegar

Reviewed-by: tbell, alanb

Reviewed-by: chegar

Reviewed-by: ohair

Reviewed-by: ohair

Reviewed-by: sherman

Reviewed-by: sherman

6863864: (fs) Path.createSymbolicLink doesn't set directory flag when creating sym link to directory (win)
Reviewed-by: sherman

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

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