Parsing out Proj4 strings work and are unit-tested.
Added additional Proj4 String generation unit tests and squashed some bugs.
Merged with master.
Added a note file about some licensing issues with the GDAL CSV files
used for generating the Proj4 String. Also added a comment that indicated that we have been using GDAL for inspiration.
Merge pull request #869 from johanstenberg92/feature/geotiff-reader-proj4-string-generator

Parsing out Proj4 strings work and are unit-tested.