two clients: stockpush and stockpull. stockpush will get stocks from remote server (YQL) and push them to the database. stockpull will request all stock data by ticker symbol from database and then print it to the screen
removed zmq_dbsrv.py, was duplicate of zmq_srv.py
Merge pull request #8 from lostorbit/master

stockpush and stockpull example programs added, with zmq_srv.py updated to match