prevent git from ignoring changes under src/data
glog enhancement: -log_instant and -log_to_file
print Dashboard in every -report_interval seconds to stderr
automatically pick interface, IP; assemble myNode all by myself
bugfix: the first UPDATE_MODEL task id should be selected carefully, so that all UPDATE_MODEL tasks could be taken out from workers' recved_msgs_
better support for HDFS
support a new data format: Terafea
parallel match
verbose logs
scripts modified
bugfix patch. Covers scripts, terafea parsing and dashboard