adding test-kitchen, updating gems
remove vagrantfile
remove Gemfile.lock from version control
update README to reflect test-kitchen
remove inconsequential https redirect test
add test for whenever crontab entries
Merge pull request #4 from sensu/test-kitchen

Add test-kitchen
use "current" as cwd when updating crontab
Merge pull request #5 from sensu/fix-duplicate-crons

Avoid adding duplicate cronjobs at every deploy
add support for apache as a frontend; still defaults to nginx; test kitchen works for ubuntu-12.04 for apache and default