Adding gpxpy to requirements
Initial script for GPX conversion.

And README updates.
Adding speed
Merge branch 'master' of github.com:numenta/nupic.geospatial into gpx

Conflicts:
	README.md
Revert README
printing name of output file
Merge branch 'sequence-resets' into gpx
README update.
Merge branch 'master' of github.com:numenta/nupic.geospatial into gpx
Style guide updates.
Test placeholder, copyright stuff.
Merge pull request #15 from rhyolight/gpx

Adds GPX conversion tool