Summary: Added the construct \x{...} for Unicode hex notation support
Reviewed-by: alanb, okutsu

Reviewed-by: xdono

Reviewed-by: darcy, lancea, alanb, briangoetz, mduigou, mchung

Reviewed-by: darcy, weijun

6948903: Make Unicode scripts available for use in regular expressions
Summary: added Unicode script suport
Reviewed-by: martin

Summary: To use StartS for complement category/block class
Reviewed-by: martin, okutsu

Summary: Updated the syntax of the newly added named capture group
Reviewed-by: martin, alanb

Summary: Need accept the digit as the first char of the group name
Reviewed-by: alanb

Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

6676425: Opensource unit/regression tests for java.util.regex
Summary: Added "named capturing group" into regex. Moved most of reg/unit tests to openjdk.
Reviewed-by: alanb, okutsu

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

Summary: Update regex engine to handle unicode escape correctly in character class
Reviewed-by: okutsu