add try/catch for library manager events

MediaBrowser.Server.Implementations/Library/LibraryManager.cs

@@ -1058,9 +1058,16 @@ namespace MediaBrowser.Server.Implementations.Library
             UpdateItemInLibraryCache(item);
             
             if (ItemAdded != null)
+            {
+                try
                 {
                     ItemAdded(this, new ItemChangeEventArgs { Item = item });
                 }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error in ItemUpdated event handler", ex);
+                }
+            }
         }
 
         /// <summary>
@@ -1076,9 +1083,16 @@ namespace MediaBrowser.Server.Implementations.Library
             UpdateItemInLibraryCache(item);
 
             if (ItemUpdated != null)
+            {
+                try
                 {
                     ItemUpdated(this, new ItemChangeEventArgs { Item = item });
                 }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error in ItemUpdated event handler", ex);
+                }
+            }
         }
 
         /// <summary>
@@ -1088,9 +1102,16 @@ namespace MediaBrowser.Server.Implementations.Library
         public void ReportItemRemoved(BaseItem item)
         {
             if (ItemRemoved != null)
+            {
+                try
                 {
                     ItemRemoved(this, new ItemChangeEventArgs { Item = item });
                 }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error in ItemRemoved event handler", ex);
+                }
+            }
         }
 
         /// <summary>