Adding int tests for port_agent_client
Merge remote-tracking branch 'upstream/master'
Trying integration tests.
Merge remote-tracking branch 'upstream/master'
Working on integration tests; found issue with port_agent_client send
method.  Found issue with port_agent.
Added test that starts port_agent and instrument simulator; sends data
via instrument_simulator and verifies that data_callback and raw_callback
are invoked.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge pull request #56 from deverett/master

Port Agent Client Fix