feature: added ubuntu trusty vagrant + puppetfile example

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
feature: added ssh hardening + vagrant ssh key

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
ignore vagrant folder

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>