split loadTrlArray() into loadWebTrlArry() and loadKwfTrlArray(),
split loadTrlArray() into loadWebTrlArry() and loadKwfTrlArray(),

- separates trl and trlKwf calls if webCodeLanguage=en
- use more distinctive naming for private functions
- fixes issue with webCodeLanguage=en where translations are always read from the kwf-file and where impossible to be overwritten for web

koala-framework/koala-framework,koala-framework/koala-framework