added SaveThreadGnacs class and associated infrastructure
added SaveThreadGnacs class and associated infrastructure
add missing 'import signal' to src/GnipStreamCollectorMetrics.py
GnipStreamCollectorMetrics.py: look for GNIP_CONFIG_FILE first, then look for gnip.cfg in local dir
Merge pull request #3 from jeffakolb/master

added SaveThreadGnacs, etc