add log_name argument to get_logging_conf(), update docstring
add log_name argument to get_logging_conf(), update docstring

lokik/sfepy,BubuLK/sfepy,lokik/sfepy,BubuLK/sfepy,vlukes/sfepy,sfepy/sfepy,sfepy/sfepy,RexFuzzle/sfepy,lokik/sfepy,lokik/sfepy,sfepy/sfepy,RexFuzzle/sfepy,RexFuzzle/sfepy,rc/sfepy,vlukes/sfepy,vlukes/sfepy,rc/sfepy,rc/sfepy,BubuLK/sfepy,RexFuzzle/sfepy