[COOK-3887] Trivial changes to achieve Gentoo support
cookbook maintenance: passes test-kitchen-1.2.1
Version bump to 1.6.4 (for development)
Merge pull request #55 from gmiranda23/maintenance

Updates to bring cookbook tests to current
[COOK-1876] ntp leapfile assumes ntpd >= 4.2.6 syntax

Signed-off-by: gmiranda23 <gmiranda@opscode.com>
[COOK-1876] ntp leapfile assumes ntpd >= 4.2.6 syntax
[COOK-3887] Trivial changes to achieve Gentoo support
[COOK-3887] Trivial changes to achieve Gentoo support
ISSUE 53: updated expired leap seconds
Update for 1.6.4 release
Publish 1.6.4 Changelog