gui, man, authors: Update docs, translations, and contributors

gui/default/assets/lang/lang-eu.json

@@ -128,6 +128,7 @@
     "Error": "Hutsa",
     "External File Versioning": "Fitxategi bertsioen kanpoko kudeaketa",
     "Failed Items": "Huts egin duten fitxategiak",
+    "Failed to load file versions.": "Failed to load file versions.",
     "Failed to load ignore patterns.": "Huts egin du baztertze ereduak kargatzean.",
     "Failed to setup, retrying": "Konfigurazioan huts egitea, berriro saiatuz",
     "Failure to connect to IPv6 servers is expected if there is no IPv6 connectivity.": "IPv6 zerbitzariei buruzko konexioak huts eginen du, IPv6 konektibitaterik ez bada",
@@ -373,6 +374,7 @@
     "The rate limit must be a non-negative number (0: no limit)": "Ixuriaren emaria ez da negatiboa izaiten ahal (0 = mugarik gabekoa)",
     "The rescan interval must be a non-negative number of seconds.": "Ikerketaren tartea ez da segundo kopuru negatiboa izaiten ahal",
     "There are no devices to share this folder with.": "Ez dago partekatutako erabilera horri gehitzeko gailurik.",
+    "There are no file versions to restore.": "There are no file versions to restore.",
     "There are no folders to share with this device.": "Ez dago gailu honekin partekatzeko karpetarik.",
     "They are retried automatically and will be synced when the error is resolved.": "Errorea zuzendua izanen delarik, automatikoki berriz entseatuak et sinkronizatuak izanen dira",
     "This Device": "Tresna hau",