fix checkstyle issues for new maven plugins

Nicolas Capponi

05.03.2015 17c75eab3d7c75afab1476bf8f021e7debe20641

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user-friendly-name=Program Obs\u0142uguj\u0105cy Po\u0142\u0105czenia
user-friendly-plural-name=Programy Obs\u0142uguj\u0105ce Po\u0142\u0105czenia