(MODULES_10899) Use versioncmp function for $php_version
(MODULES_10899) Use versioncmp function for $php_version

Also remove restriction on tests so they execute on SLES platforms

puppetlabs/puppetlabs-apache,puppetlabs/puppetlabs-apache,traylenator/puppetlabs-apache,traylenator/puppetlabs-apache