* update go text, include text/display
* [feature] Set instance langs, show post lang on frontend
* go fmt
* WebGet
* set language for whole article, don't use FA icon
* mention instance languages + other optional config vars
* little tweak
* put languages in config properly
* warn log language parse
* change some naming around
* tidy up validate a bit
* lint
* rename LanguageTmpl in template
* [bugfix] process account delete side effects in serial, not in parallel
* StartWorkers / StartNoopWorkers for tests
* undo testrig trace logging
* log errors instead of immediately returning
* update typeconverter to use state structure
* deinterface the typeutils.TypeConverter -> typeutils.Converter
* finish copying over old type converter code comments
* fix cherry-pick merge issues, fix tests pointing to old typeutils interface type still