Various changes in gdal compilation and structure (#17)

* Various changes in gdal compilation and structure

- Add dependencies to compile as homebrew gdal2 does
  https://github.com/OSGeo/homebrew-osgeo4mac/blob/master/Formula/gdal2.rb
- Add configure options to gdal to compile as homebrew gdal2 does
- change structure slightly so that debugging is easier
- add missing definition for $MRAN

* Add odbc and curl to gdal

* Cleanup to remove external libraries

* Dependencies changed

* Move to gdal 2.1.3 and add KML support

- add some structure to dependencies

* Add LD_LIBRARY_PATH

* Fix HDF5 support

Error in detection HDF5 libraries in 2.1 branch - see
http://permalink.gmane.org/gmane.comp.gis.gdal.devel/44474 for info.

* Fixed Typo for HDF5 library location

Thanks Edzer