update l10n_parser.r, regexes.r and associated data files. Specifically:

-Handle complex project names;
-Add incumbator to recognised language codes;
-Add /sr/ as a recognised folder name
reorganise data restrictions in connection.fun
remove "namespace" vector creation
Remove creation of "Project" vector.
rework language codes to include mediawiki.org and include zh-hant and zh-sg as folder names
move the RL parser to its own, discrete file, requestlog_parser.r
refactor regex in functions.r
update RData files