CodeSnip Old Code (SVN)

Removed unused unit references.

* Extracted code that deals with snippets and snippet lists from USnippets into new DB.USnippet unit.
* Modified affected code accordingly.

Refactoring: Renamed TRoutine, TRoutineEx and TTempRoutine to TSnippet, TSnippetEx and TTempSnippet.

Refactoring: Renamed TRoutineList and TRoutineListEx classes as TSnippetList and TSnippetListEx.

* Heavily revised UView unit once more to make views interfaced based.
* Updated using units re changes.
* Replaced many FreeAndNil calls with calls to .Free method.

Heavily revised UView unit
* Replaced flexible and "smelly" single TViewItem class that handled all view types with heirachy of classes for each view type.
* Added factory class.
* Updated using units re changes.

Development branch for CodeSnip release 4.

Initial source is a copy of v3.8.4 (r1075).