A lot of messages "Detected logger name mismatch" from slf4j in the log

[php-coder]

Appears in the console during application's startup:

SLF4J: Detected logger name mismatch. Given name: "ru.mystamps.web.service.UserServiceImpl"; computed name: "ru.mystamps.web.config.ServicesConfig".
SLF4J: See http://www.slf4j.org/codes.html#loggerNameMismatch for an explanation
SLF4J: Detected logger name mismatch. Given name: "ru.mystamps.web.service.UsersActivationServiceImpl"; computed name: "ru.mystamps.web.config.ServicesConfig".
SLF4J: See http://www.slf4j.org/codes.html#loggerNameMismatch for an explanation
SLF4J: Detected logger name mismatch. Given name: "ru.mystamps.web.service.CollectionServiceImpl"; computed name: "ru.mystamps.web.config.ServicesConfig".
SLF4J: See http://www.slf4j.org/codes.html#loggerNameMismatch for an explanation
SLF4J: Detected logger name mismatch. Given name: "ru.mystamps.web.service.CategoryServiceImpl"; computed name: "ru.mystamps.web.config.ServicesConfig".
SLF4J: See http://www.slf4j.org/codes.html#loggerNameMismatch for an explanation
SLF4J: Detected logger name mismatch. Given name: "ru.mystamps.web.service.CountryServiceImpl"; computed name: "ru.mystamps.web.config.ServicesConfig".
SLF4J: See http://www.slf4j.org/codes.html#loggerNameMismatch for an explanation
SLF4J: Detected logger name mismatch. Given name: "ru.mystamps.web.service.SiteServiceImpl"; computed name: "ru.mystamps.web.config.ServicesConfig".
SLF4J: See http://www.slf4j.org/codes.html#loggerNameMismatch for an explanation

It has started to appear from yesterday's commits (see aecaca2 and following).