Added most default OGR formats.
aeronavfaa bna dxf csv edigeo geoconcept georss gml gmt gpsbabel gtm htf idrisi dgn openair openfilegdb pcidsk pds pgdump rec s57 sdts segukooa segy sua svg sxf ntf tiger xplane wasp
Merge pull request #62 from naturalatlas/more-ogr-formats

Added almost all of the default OGR formats.