Reviewed-by: jjg, alanb, mr

6229811: Several codepoints in EUC_TW failed in roundtrip conversion
Summary: Re-write EUC_TW charset to address the size and roundtrip issue.
Reviewed-by: alanb

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

6642328: Speeding up Single Byte Encoders
Summary: re-implementation of mapping based sbcs charts
Reviewed-by: alanb

Reviewed-by: iris, sherman, chegar

Reviewed-by: tbell

Summary: replace awk-sed based spp.sh with a java regex based pre-processor
Reviewed-by: alanb

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

Summary: Just the Makefile changes to fix a cygwin nawk BINMODE=w problem.
Reviewed-by: igor, tbell

Summary: Changes to the way GNU make 3.81 deals with the env variable SHELL
Reviewed-by: xdono