two issues fixed: (#152) was because same log line was being writed twice; th other one (#111) was because the are two config files in for log4j library. Now there is only one in flume/conf
Added logrotate configuration to rotate flume.log all days
fixed installation of /etc/logrotate.d/logrotate-cygnus-daily file in RPM
Merge pull request #156 from telefonicaid/bug/152

PR to solve issues #152 & #111