CodeSnip Old Code (SVN)

* Extracted TUserDetailsPersist from UUserDetails to new UUserDetailsPersist unit.
* Modified TUserDetailsPersist so that it no longer updates TUserDetails fields directly but treats the record as immutable.
* Modified code that uses TUserDetailsPersist to use new unit.

Separated entangled UI and database update logic in UCodeImportMgr unit.
* New unit added containing dialog box to handle UI. This is a v4 only improvement on existing UI.
* Completely rewrote TCodeImportMgr to perform import in stages to allow user to manually filter the import via the dialog box.
* Modified TCodeShareMgr.ImportCode to use new code.

* Renamed again all DB.* units that are concerned with physically reading and writing database info to and from the file system as DBIO.*.
* Affected units updated.

* Renamed UIniDataReader, UNulDataReader and UXMLDataIO units as DB.UIniDataReader, DB.UNulDataReader and DB.UXMLDataIO respectively.
* Updated using unit.

* Renamed USnipData unit as DB.UFileIOIntf and USnippetsIO as DB.UDatabaseIO.
* Updated affected units.

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

* 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.

* Modified all dialog boxed that descended from THTMLViewDlg to descend directly from TGenericViewDlg instead. Very little content remained in THTMLViewDlg.
* Removed redundant FmHTMLViewDlg unit that contains THTMLViewDlg.