CodeSnip Old Code (SVN)

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

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

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

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

Refactoring:
* Renamed TRoutineAction as TSnippetAction and renamed RoutineName property as SnippetName.
* Made minimum necessary changes to calling code.

XMLDoc commented USnippetAction unit.

Renamed units:
* UEditRoutineAction as UEditSnippetAction
* URoutineAction as USnippetAction
* URoutineCreditsParser as USnippetCreditsParser
* URoutineDoc as USnippetDoc
* URoutineExtraHelper as USnippetExtraHelper
* URoutineHTML as USnippetHTML
* URTFRoutineDoc as URTFSnippetDoc
* UTextRoutineDoc as UTextSnippetDoc
Modified units that use the renamed units accordingly.