MINOR: Remove checks for PHP <5.3.2, as it's no longer supported
MINOR: Remove checks for PHP <5.3.2, as it's no longer supported

jonom/silverstripe-cms,silverstripe-labs/silverstripe-reports,silverstripe/silverstripe-siteconfig,dhensby/silverstripe-cms,silverstripe/silverstripe-cms,dhensby/silverstripe-reports,silverstripe/silverstripe-cms,jonom/silverstripe-cms,dhensby/silverstripe-cms,dhensby/silverstripe-reports,silverstripe-labs/silverstripe-reports,dhensby/silverstripe-cms,helpfulrobot/i-lateral-silverstripe-siteconfig