satisfy mod_php inter-module dependencies
satisfy mod_php inter-module dependencies

we try to make sure that mod_php's inter-module dependencies (mod_dir
and mod_mime) are satisfied before we try to implement any changes in
the config that would trigger those.
This fixes #408.

bmjen/puppetlabs-apache,samuelb/puppetlabs-apache,dzmitryv/puppetlabs-apache,puppetlabs/puppetlabs-apache,guegue/puppetlabs-apache,buzzdeee/puppetlabs-apache,gerhardsam/puppetlabs-apache,yakatz/puppetlabs-apache,digitalmediacenter/puppetlabs-apache,samuelb/puppetlabs-apache,traylenator/puppetlabs-apache,puppetlabs/puppetlabs-apache,bmjen/puppetlabs-apache,eputnam/puppetlabs-apache,eputnam/puppetlabs-apache,buzzdeee/puppetlabs-apache,FlatKey/puppetlabs-apache,svanhart/puppetlabs-apache,gerhardsam/puppetlabs-apache,guegue/puppetlabs-apache,FlatKey/puppetlabs-apache,svanhart/puppetlabs-apache,digitalmediacenter/puppetlabs-apache,yakatz/puppetlabs-apache,traylenator/puppetlabs-apache,dzmitryv/puppetlabs-apache