Summary: Move isBmpCodePoint from sun.nio.cs.Surrogate to Character
Reviewed-by: sherman
Contributed-by: NUlf Zibis <ulf.zibis@gmx.de>

Reviewed-by: darcy, weijun

Summary: Replace \uXXXX by \u005CXXXX, or simply delete
Reviewed-by: sherman

Reviewed-by: darcy, ohair

6655735: Integer.toString() and String.valueOf(int) contain slow delegations
Reviewed-by: lancea

Summary: Added a fastpath for simple use case
Reviewed-by: alanb, martin

Reviewed-by: okutsu, naoto