Updating documentation for languages. refs #377

docs/reference/languages.rst

@@ -4,10 +4,27 @@
 language support
 ################
 
-Lettuce currently supports two languages:
+Lettuce currently supports 18 languages:
 
 * English
-* Portuguese (Brazilian)
+* Portuguese (Português)
+* Polish (Polski)
+* Catalan (Català)
+* Spanish (Español)
+* Hungarian (Magyar)
+* French (Français)
+* German (Deutsch)
+* Japanese (日本語)
+* Turkish (Türkçe)
+* Simplified Chinese (简体中文)
+* Traditional Chinese (繁體中文)
+* Russian (Русский)
+* Ukrainian (Українська)
+* Italian (Italiano)
+* Norwegian (Norsk)
+* Swedish (Svenska)
+* Czech (Čeština)
+
 
 Although it's only about writing tests since the current version
 does output only in English.