addding yumrepo for RHEL systems to ensure latest from NGINX

manifests/package/redhat.pp

@@ -15,7 +15,16 @@
 # This class file is not called directly
 class nginx::package::redhat {
   $redhat_packages = ['nginx', 'GeoIP', 'gd', 'libXpm', 'libxslt']
+
+  yumrepo { "nginx-release":
+    baseurl  => 'http://nginx.org/packages/OS/OSRELEASE/$basearch/'
+    descr    => 'nginx repo',
+    enabled  => '1',
+    gpgcheck => '0',
+  }
+
   package { $redhat_packages:
     ensure  => present,
+    require => Yumrepo['nginx-release'],
   }
 }