Merge pull request #20 from dbeck/master

renaming zmq.hh and comments changed in svc_config.proto
cleanup after file movement to virtdb-common project
streamlining makefile
integrate proto.gyp better into other gyps
add seqno to Column message
adding GetLogs message to diag service
adding received timestamp that the downstream receivers fill while the log record transits
removing extra Kind variable from logger
Update README.md
Merge remote-tracking branch 'upstream/master'