Merge pull request #44 from borriglione/master

Check if Mage::getEdition() exists - fixes #8

Author: edannenberg

app/code/community/Hackathon/MageMonitoring/Model/Widget/System/Abstract.php

@@ -137,7 +137,8 @@ public function getCpuInfo()
     public function getMagentoInfo($value)
     {
         if (is_null($this->_mageInfo)) {
-            $this->_mageInfo['version'] = Mage::getVersion() . ' ' . Mage::getEdition() . ' Edition';
+            $this->_mageInfo['version'] = Mage::getVersion() .
+                (method_exists(Mage, 'getEdition') ? (' ' . Mage::getEdition() . ' Edition') : '');
             $statInfo = $this->getMagentoStatInfo();
             if (!is_null($statInfo)) {
                 $this->_mageInfo = array_merge($this->_mageInfo, $statInfo);