Move unused classes to the rejects.

--HG--
rename : perl/modules/XML-Grammar-Fiction/lib/XML/Grammar/Fiction/RNG_Renderer.pm => perl/modules/XML-Grammar-Fiction/rejects/XML/Grammar/Fiction/RNG_Renderer.pm
rename : perl/modules/XML-Grammar-Fiction/lib/XML/Grammar/Screenplay/XSLT/Base.pm => perl/modules/XML-Grammar-Fiction/rejects/XML/Grammar/Screenplay/XSLT/Base.pm
Add to Changes.
Remove an unused use command.
Remove an unnecessary "use XML::Grammar::Fiction::FromProto::Nodes".
Get rid of "use ... ::Nodes".
Moved the unused ::Nodes to the rejects.

--HG--
rename : perl/modules/XML-Grammar-Fiction/lib/XML/Grammar/Fiction/FromProto/Nodes.pm => perl/modules/XML-Grammar-Fiction/rejects/lib/XML/Grammar/Fiction/FromProto/Nodes.pm