CodeSnip Old Code (SVN)

* Renamed USnippetKindInfo unit as DB.SnippetKind.
* Updated all using units.

* 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.

* Completely rewrote and greatly simplified USnippetKindInfo unit.
* Modified using units as necessary.
* Got rid of some more FreeAndNil calls.

Development branch for CodeSnip release 4.

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