NODATA reader in geotiff reader rebuilt so it reads the value similar as the GDAL source code.
GDAL Benchmarks, README to record stats.
Ported TIFFFaxDecoder.java to Scala.
Merge pull request #844 from lossyrob/geotiff-benchmarks

GDAL Benchmarks, README to record stats.
Merge pull request #845 from johanstenberg92/feature/geotiff-reader-port-jai-fax-decoder-to-scala

Feature/geotiff reader port jai fax decoder to scala
Added mapWithExtent for mapping tile and extent to non-tile result.
Merge pull request #846 from lossyrob/mapWithExtent-overloads

Added mapWithExtent for mapping tile and extent to non-tile result.