Merge pull request #8 from dbeck/master

logging over zmq: sending log messages w/ minor glitches remaining
Merge pull request #9 from dbeck/master

scoped log message implementation, timestamp fix, testing improvements
Merge pull request #10 from dbeck/master

aligned .mk and .gyp files; minor change in util_test
Merge pull request #11 from dbeck/master

fix function name in the log message; change random seed