#59 *.properties files without language suffix are not recognized!

[Sasa]

The internationalization files are organized, by suffixes:
The system checks, if one of specific suffixes matches.
If Not - it falls back to a more general. Source: http://www.vogella.com/articles/EclipseInternationalization/article.html#i18n_propertyfiles

messages_en_UK.properties
messages_en_US.properties
messages_en.properties
messages.properties

Files with most general level (without a suffix, with the default language) are not found by the Eclipse ResourceBundle Editor