Enable Overlay plugin

git-svn-id: http://dev.piwik.org/svn/trunk@7760 59fd770c-687e-43c8-a1e3-f5a4ff64c105

config/global.ini.php

@@ -531,6 +531,7 @@ Plugins[]		= ImageGraph
 Plugins[]		= DoNotTrack
 Plugins[]		= Annotations
 Plugins[]		= MobileMessaging
+Plugins[]		= Overlay
 
 [PluginsInstalled]
 PluginsInstalled[] = Login

core/Updates/1.10-b4.php

@@ -30,5 +30,13 @@ class Piwik_Updates_1_10_b4 extends Piwik_Updates
 		{
 			// pass
 		}
+		try
+		{
+			Piwik_PluginsManager::getInstance()->activatePlugin('Overlay');
+		}
+		catch(Exception $e)
+		{
+			// pass
+		}
 	}
 }
\ No newline at end of file