Merge pull request #14 from ehaselwanter/master

make the integration tests even more useful with standalone invocation
remove host keys from checks

see discussion here: https://github.com/TelekomLabs/tests-ssh-hardening/issues/13\#issuecomment-45083461

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #15 from TelekomLabs/hostkeys

remove host keys from checks
add format html option