add first pass at feature_service_reader
add license file
Update version(s) in gemspec
Factor out UrlGeoJSONReader; Add Github Reader
Add *.json / *.geojson to .gitignore
Merge branch 'feature_service'
Add OGR#read method for reading input from known filetypes / geojson urls
Add OGR#read to README
Bump version -> 0.1.0.pre
Expose CSV support in conventional style
Fix typo in README