Upstream version 4.4.1.1

Upstream version 4.5.0~rc1

Changes:
- Update copyright years for Unidata
- Add license & copyright for new files
- Rename MIT license shortname to Expat

Upstream version 4.5.0~rc2

Changes:
- Update license for ncgeny.{c,h} to GPL-3+ with Bison exception
- Drop license & copyright for ConvertUTF.{c,h}, removed upstream

Upstream version 4.5.0~rc3

Upstream version 4.5.0

Upstream version 4.6.0

Upstream version 4.6.1