Implement beaker-module_install_helper and cleanup spec_helper_acceptance.rb
Implement beaker-module_install_helper and cleanup spec_helper_acceptance.rb

Removed workaround for solaris ca certs as this is now covered by beaker-puppet_install_helper

buzzdeee/puppetlabs-postgresql,hasegeli/puppetlabs-postgresql,covermymeds/puppetlabs-postgresql,DavidS/puppetlabs-postgresql,npwalker/puppetlabs-postgresql,PierreR/puppetlabs-postgresql,PierreR/puppetlabs-postgresql,puppetlabs/puppetlabs-postgresql,npwalker/puppetlabs-postgresql,tdevelioglu/puppetlabs-postgresql,puppetlabs/puppetlabs-postgresql,DavidS/puppetlabs-postgresql,buzzdeee/puppetlabs-postgresql,hasegeli/puppetlabs-postgresql,infoxchange/puppetlabs-postgresql,npwalker/puppetlabs-postgresql,covermymeds/puppetlabs-postgresql,infoxchange/puppetlabs-postgresql,hasegeli/puppetlabs-postgresql,fuel-infra/puppetlabs-postgresql,fuel-infra/puppetlabs-postgresql,tdevelioglu/puppetlabs-postgresql,buzzdeee/puppetlabs-postgresql,infoxchange/puppetlabs-postgresql,tdevelioglu/puppetlabs-postgresql,DavidS/puppetlabs-postgresql,puppetlabs/puppetlabs-postgresql,PierreR/puppetlabs-postgresql,duritong/puppetlabs-postgresql,covermymeds/puppetlabs-postgresql,fuel-infra/puppetlabs-postgresql