Merge pull request #15 from ndavid/master

correct conversion between ts file and las file
fix #16 support GEO_NORMALIZE_DISABLE_TOWGS84 symbol
Merge pull request #16 from libLAS/issues/16

If GEO_NORMALIZE_DISABLE_TOWGS84 is defined, we need to not use GDAL/GeoTIFF wgs84 stuff