Reviewed-by: erikj, tbell

Reviewed-by: xdono

Reviewed-by: darcy, weijun

6911753: NSN wants to add Big5 HKSCS-2004 support
Summary: support HKSCS2008 in Big5_HKSCS and MS950_HKSCS
Reviewed-by: okutsu

6639450: IBM949C encoder modifies state of IBM949 encoder
6569191: Cp943 io converter returns U+0000 and U+FFFD for unconvertable character
6577466: Character encoder IBM970 throws a BufferOverflowException
5065777: CharsetEncoder canEncode() methods often incorrectly return false
Summary: Re-write 11 IBM doublebyte charsets. Thanks Ulf.Zibis for the codereview!
Reviewed-by: martin

Summary: Putback the files missed in last putback
Reviewed-by: alanb

Summary: An implementation-specific API for the Stream Control Transmission Protocol
Reviewed-by: alanb, michaelm, jccollet

Reviewed-by: vinnie
Contributed-by: cquinn@google.com

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