Fixed some issues with parameter dict loading
Merge pull request #89 from sfoley/master

minor, but important fixes for param dict loading
Created new driver; High Tech LF Hydrophone
Replaced InstrumentDriverDataParticleMixin with DriverTestMixin as per Roger
Unwin's suggestion.
HYDLF first stab at driver
Updating driver per billys feedback
HYDLF driver ongoing dev
note about channel name matching
Added orb through protocol integration test
Run port agent antelope in subprocess
Changed perf test to return samples/sec
Use yappi for multithreaded profiling