7197491: update copyright year to match last edit in jdk8 jdk repository
Reviewed-by: chegar, ksrini

6653797: Reimplement JDK charset repository charsets.jar
Summary: Migrated all jis based charsets to new implementation
Reviewed-by: okutsu

6943119: Rebrand source copyright notices
Reviewed-by: darcy, weijun

6299219: euro sign failed to be printed in Console on Localized Windows platform with GBK encoding
4891024: EUC-KR and JOHAB converters need to be updated to include two new characters
4287467: Character converter generator tool
Summary: Migrated some of the doublebyte charsets to the new implementation.
Reviewed-by: okutsu