Updates before working on transforms

Updated to CLDR version 23
Added Transformations directory
Changed my email address
Still trying to work out why the XML Parser bombs out on windows unless
it's run under the Perl debugger
Removed valid currencies as CLDR has done something with them
Added stub for Transformations
Put back Exemplar Character code
Added code for units and posix sections
Updated Orientation code to match version 23 specification