Added support for RHEL and did some syntax cleaning

Assume that "RedHat" also works where "CentOS" does.

adobe/manifests/init.pp

@@ -2,15 +2,15 @@
 #
 class adobe::common {
 
-    case $operatingsystem {
-        "centos","fedora": {
+    case $::operatingsystem {
+        "centos","redhat","fedora": {
             include yum::repo::adobe
         }
         "ubuntu": {
             include apt::repo::partner
         }
         default: {
-            fail("Adobe products via puppet not supported on ${operatingsystem}")
+            fail("Adobe products via puppet not supported on ${::operatingsystem}")
         }
     }
 
@@ -36,7 +36,7 @@ class adobe::flash {
 
     include adobe::common
     package { "adobe-flash-plugin":
-        name    => $operatingsystem ? {
+        name    => $::operatingsystem ? {
             "ubuntu" => "adobe-flashplugin",
             default  => "flash-plugin",
         },
@@ -53,7 +53,7 @@ class adobe::reader {
 
     include adobe::common
     package { "acroread":
-        name    => $operatingsystem ? {
+        name    => $::operatingsystem ? {
             "ubuntu" => "acroread",
             default  => "AdobeReader_enu",
         },