Update git submodules
- Update extensions/Nuke from branch 'REL1_39' to 0c75f1953bc159f50e462674ddb20b184017aa4b
- Localisation updates from https://translatewiki.net.
Change-Id: I2178cb9735794a838dae4104077fff20fb4514e1
- Localisation updates from https://translatewiki.net.