Merge pull request #13 from jrmontag/master

GEOJSON!
Merge pull request #14 from jrmontag/master

Add geojson support to readme
-u option: added uniq id#
Merge pull request #15 from blehman/master

-u option: added uniq id#
fixed -x error for actor:id field
Merge pull request #16 from blehman/master

fixed -x error for actor:id field
Changed geo json to be line-by-line.  Refactored names in gnacs.py
Remove dangling geojson list comma