Checkmk Werk 12213: Add option for number of items to show in topics

ID: 12213 Title: Add option for number of items to show in topics Component: Multisite Level: 1 Class: New feature Version: 2.1.0i1 You have now the option to set the number of items that should be shown in topics until the "Show all" option is painted. All remaining items will only be visible, if the "Show all" option is used. This option can be found on creating or editing topics.