CodeSnip Old Code (SVN)

* Renamed USnippets unit as DB.UMain.
* Updated all affected units.

* Extracted code that deals with categories and category lists from USnippets into new DB.UCategory unit.
* Modified affected code accordingly.

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

* Renamed various types in USnippets to have a database related name.
* Modified affected code.

* Renamed "Snippets" function in USnippets to "Database".
* Updated all using code.

Refactoring:
* Renamed components, variable and method names etc. that were named "routines" when "snippets" is more appropriate.
* Updated any effected using unit.

Refactoring: Renamed methods of ISnippetsEdit that referred to "Routine" to refer to "Snippet".

refactoring: Renamed ISnippets.GetRoutines method and ISnippets.Routines property to GetSnippets and Snippets respectively. Updated all implementing and calling code.

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

* 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.