move regex generating files into their own folder.
remove sql.fun, which isn't used.
insert dbname_stripper.fun into functions.r as part of the regex rewrite.
expand comment in globalstrings.r to be more clear.
create sitedata_generator, a redone version of l10n_parser.r, and move unnecessary vars from globalstrings.r. Update RData files to match, and insert prohibited_wikis.RData