update read_log() for logs prior to int-log-labels branch merge
update read_log() for logs prior to int-log-labels branch merge

vlukes/sfepy,vlukes/sfepy,sfepy/sfepy,BubuLK/sfepy,rc/sfepy,sfepy/sfepy,rc/sfepy,vlukes/sfepy,rc/sfepy,sfepy/sfepy,BubuLK/sfepy,BubuLK/sfepy