8032446: Support Unicode 7.0.0 in JDK 9
8130889: Missing "@since 1.8" tags in j.l.Character.java
Reviewed-by: naoto, okutsu

8029235: Update copyright year to match last edit in jdk8 jdk repository for 2013
Summary: updated files with 2011, 2012 and 2013 years according to the file's last updated date
Reviewed-by: tbell, lancea, chegar

8027566: Remove the old build system
Reviewed-by: erikj, tbell