Merge pull request #15 from ehaselwanter/master

add Berksfile.lock Gemfile.lock to ignore list and remove it from tree
add utf8 header and use ruby 1.9 hash syntax
Merge pull request #17 from TelekomLabs/robocop

add utf8 header and use ruby 1.9 hash syntax
enable PAM
make enabling of pam an attribute, default false
rename package name attribute from ssl* to ssh*
Merge pull request #18 from bkw/reenablePam

passwordless users not able to log in
Merge pull request #19 from bkw/fixSslTypo

rename package name attribute from ssl* to ssh*
add openstack kitchen gem
Merge pull request #20 from TelekomLabs/openstack

add openstack kitchen gem
add a common run_all_linters task so we can use the same task in all ci pipelines
fail on any tag