@sysconfdir@/ccnet as default config DIR
/var/log/seafile as default log DIR
fix configure.ac
add DEFAULT_LOG_DIR -> @localstatedir@/log + seafile
merge in sysconfdir
add default config_dir for each daemon
  * ccnet -> /etc/ccnet/
  * ccnet-cluster -> /etc/ccnet/cluster
  * ccnet-server -> /etc/ccnet/server
add option 't' to ccnet-init
  * enables possibility to create config for different daemons
    -t '' -> @sysconfdir@/ccnet
    -t 'cluster' -> @sysconfdir@/ccnet/cluster
    -t 'server' -> @sysconfdir@/ccnet/server
set different logfiles for each daemon
* ccnet -> /var/log/seafile/ccnet.log
  ccnet-cluster -> /var/log/seafile/ccnet-cluster.log
  ccnet-server -> /var/log/seafile/ccnet-server.log
fix missing ';'
merge in devscd
fix ccnet-init 'daemon_type'