* Macro _LC is changed to _CHB. [to put translated string into std::string correctly]
* Macro _LS is changed to L. [to mark string to translation]
* Standard wxWidgets macro _() is used for translation now.
* Updated POfile for EN
* Signs of degree are returned to UTF-8 in PrintConfig.
* Changed _LU8 macro. It's translated now like string explicitly specified as a string is already in UTF-8 encoding.