Added Slovak translation
Updated Uyghur translation

Signed-off-by: Gheyret Kenji <gheyret@gmail.com>
Updated Galician translations
Updated Galician translations
Updated Slovenian translation
Updated Greek translation
Updated Hungarian translation by Attila Hammer <hammera at pickup dot hu>
Updated Hungarian translation
Updated Brazilian Portuguese translation proofread by Enrico Nicoletto
Updated Lithuanian translation
Updated Brazilian Portuguese translation proofread by José Vilmar Estácio de Souza
Updated Hungarian help by Attila Hammer <hammera at pickup dot hu>
Add one more copyright year to hu.po
Updated Greek translation
Updated Serbian translation
Updated Brazilian Portuguese translation
Updated Danish translation
Updated Czech translation
Prep for 3.7.92
Post release version bump to 3.8.0pre