Add embedded_ruby to sensu

Adds a embedded_ruby variable and allows the configuration via ansible
if system ruby is wanted.
Diamond dependencies

Diamond needs to compile certain dependencies.
Capture more information with masscan

By default lets try capture everything.
Add HSTS header for nginx

This adds the mapping. This is likely to change to be configurable but
will probably be used with the SSL include and vhosts at some point in
the future.