Add .travis.yml for Travis CI integration
Add beginning of test suite
Add default rake task and rbx for Travis
Add script to install GDAL on Travis VM
before_install.sh not executable
Make sure all Rubies run at least once
Add CodeClimate badge [ci skip]
Refactor DataSource#to_x methods
Add basic data source spec
Update README with GDAL instructions [ci skip]
Fix spatial_ref parsing bug in OGR::DataSource#to_format
Add warning on attempt to reproject KML output
Refactor Url* classes into HttpResourceReader
Refactor *Reader classes into GenericReader
Remove Reader#from_file_type
Update README to reflect *Reader* changes
Update tests to reflect reader simplification
Update README to reflect tested Rubies [ci skip]
Simplify *Writer classes to Writer class
Update README to reflect Writer changes [ci skip]