Fixes #5599: Set cert expirations to 20 years by default.
Merge pull request #21 from awood/master

Set up certificates for Candlepin/Qpid integration.
Merge pull request #18 from ehelms/fixes-5599

Fixes #5599: Set cert expirations to 20 years by default.
Refs #6418 - Fix keytool use for Java 6 compatibility.

The :file and :env modifiers for storepass, keypass, etc. were not added
until Java 7.