CodeSnip Old Code (SVN)

Removed support for testing and writing lowest available version of REML code to export and user database files. All support for REML versions removed from UREMLDataIO unit - code now assumes latest version is valid.

* Moved several string handling routines from UUtils to UStrUtils. Renamed all and modified some slightly.
* Using code update accordingly.

Refactoring: TRoutineExtraHelper renamed as TSnippetExtraHelper and made required changes in other units.

Refactoring:
* Renamed TRoutineCreditsParser as TSnippetCreditsParser.
* Made minimum necessary changes to calling code.

XMLDoc commented USnippetCreditsParser 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.