RenditionService. Reintroduced the spring-based configuration of ThumbnailDefinitions.

Major overhaul to the ThumbnailDefinition - RenditionDefinition conversion code.
Removed the imported rendition definitions acp, replacing it with the original rendering_actions_space xml.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19129 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/thumbnail/ThumbnailDefinition.java

@@ -39,6 +39,9 @@ public class ThumbnailDefinition
     /** Path to placeholder thumbnail */
     private String placeHolderResourcePath;
     
+    /** Username to run the thumbnailrendition as */
+    private String runAs;
+    
     /**
      * Default constructor
      */
@@ -141,7 +144,17 @@ public class ThumbnailDefinition
     public String getName()
     {
         return name;
-    }    
+    }
+    
+    public void setRunAs(String runAs)
+    {
+        this.runAs = runAs;
+    }
+    
+    public String getRunAs()
+    {
+        return this.runAs;
+    }
     
     /**
      *