CodeSnip Old Code (SVN)

* Added facility to customise title and specify a custom or standard icon to display in custom message boxes using extended TMessageBox.Custom method.
* Made necessary changes to supporting code.

Standardised and corrected headings of generated comments in include files that describe cross-references and required units, routines, constants and types.

* Changed TRoutineList to use TSortedObjectList<T> to maintain the list instead of using TList<T> and managing sorting explicitly in TRoutineList.
* Made TRoutineList.CompareIDs into a class method.

Removed redundant "reintroduce" directive from declaration of TViewItemList.Create.

Replaced private custom enumerator of TGrouping with call to TSortedObjectList<>'s enumerator.

Removed now unused ULists unit from project. All its classes now superseded by classes from UContainers.

Changed to use TSortedObjectList<T> from UContainers instead of TSortedObjectList from ULists.

Changed to use TSortedObjectList<T> from UContainers instead of TSortedObjectList from ULists.

Changed to use TSortedObjectList<T> and TSortedObjectDictionary<TKey,TValue> from UContainers instead of TSortedObjectList and TSortedObjectDictionary from ULists.

Added UContainers unit to project. Unit was copied from new-backend branch as at r845.