So I have just added two new languages Turkish and Norwegian. We also have an automatic languages updates script. Go to root category of lhc_web folder and execute. You have to provide your https://www.transifex.com logins to script.
./doc/shell/update_translations.sh <username> <password>
Cheers.
Developing application takes a lot of time. You can support application by donating. There is no company behind this application and it takes away my free time. Every donation matters and does not matter how small it is!