8130132: jarsigner should emit warning if weak algorithms or keysizes are used
Reviewed-by: mullan

8040321: keytool and jarsigner tests doesn't pass though VM tools to tools
Reviewed-by: alanb

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

8027026: Change keytool -genkeypair to use -keyalg RSA
Reviewed-by: alanb, chegar, mullan

7004035: signed jar with only META-INF/* inside is not verifiable
Reviewed-by: mullan