PR 76: Testing suite overhauled

Signed-off-by: gmiranda23 <gmiranda@opscode.com>
PR 68: Update leapseconds file

Signed-off-by: gmiranda23 <gmiranda@opscode.com>
PR 51: Berksfile source deprecation

Signed-off-by: gmiranda23 <gmiranda@opscode.com>
Version bump to 1.6.6
Merge pull request #1 from gmiranda23/master

pull 1.6.6