- Update to version 1.5.1 (support gdal 2.4.1)
- Remove merged upstream patch f4956251.patch

- Add upstream patch f4956251.patch to make it useable with gdal
2.4.1
- Upstream issue https://github.com/OSGeo/libgeotiff/issues/14
Simplify fixing file (all are utf-8 ok) just CRLF

- Update to version 1.5.
+ Require PROJ >= 6 dependency
+ Remove all CSV files used by geo_normalize API, libgeotiff now
relies on PROJ database for EPSG CRS definitions.
+ geo_normalize.c: SetGTParmIds(): use
ProjStraightVertPoleLongGeoKey for CT_PolarStereographic
+ geo_normalize.c: report StdParallel1 for Mercator_2SP when a
PCS code is used
+ geo_normalize.c: fix support for Laborde Oblique Mercator
+ listgeo: use PROJ database to display non-hardcoded values of
a number of keys
- Packaging
+ Remove unneeded patches e5cf016.patch 7425a7f.patch
+ Move URL & source to https