Reviewed-by: sherman

Reviewed-by: chegar

Reviewed-by: chegar, sherman

Reviewed-by: xdono

6709457: (fc) lock/tryLock() throws IOException "Access is denied" when file opened for append [win]
Reviewed-by: chegar

Reviewed-by: forax

Reviewed-by: darcy, weijun

6879463: (file) DirectoryStream#iterator's remove method throws wrong exception when stream is closed
Reviewed-by: sherman

6873621: (file) FileStore.supportsFileAttributeView(Class<FileAttributeView> type) returns wrong result
Reviewed-by: andrew

Reviewed-by: sherman

Reviewed-by: sherman

Summary: Use unicode_case_insensitive for windows path matcher for now.
Reviewed-by: alanb

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

6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
6808648: (file) Files.walkFileTree should obtain file attributes during iteration [win]
Reviewed-by: sherman

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