[GEOS-6695] GeoPackageProcess should support the configuration of an external file
Merge pull request #717 from n-lagomarsini/GEOS-6659

[GEOS-6695] GeoPackageProcess should support the configuration of an ext...
[GEOS-6407]: Inspire plugin initializer fix
Merge pull request #718 from dromagnoli/GEOS-6407

[GEOS-6407]: Inspire plugin initializer fix
Minor docfixes in python extension.
Trivial spello and whitespace fixes in CONTRIBUTING.md