Dutch language added in Elxis 4 release.

Thanks to Frank Gijsels for the translation Elxis is now also available in Dutch (NL). The official Elxis 4.2 release was updated including this new language. If you want to add Dutch language to an already running Elxis 4.x site then download Elxis and copy folder language/nl/ to your on-line site's language folder. With this addition Elxis 4.2 is now available into 15 languages: Arabic (AR), Bulgarian (BG), German (DE), Greek (EL), English (EN), Farsi (FA), French (FR), Croatian (HR), Italian (IT), Dutch (NL), Portuguese (PT), Serbian (RS), Russian (RU), Serbian Latin (SR) and Ukranian (UK).