[DVDInputStreamNavigator] allow fallback to root menu call if title menu call fails (like VLC)
[DVDInputStreamNavigator] allow to return from "endless" loop of NOPs
Merge pull request #4296 from Voyager1/dvd-various-fixes

DVD various fixes related to libdvdnav issues and skip to menu
[lang] update of internal addon language files
[lang] update of core language files
[lang] update of skin.confluence language files