Updates and fixes for Italian locale (#427)

Many messages were missing, some were incorrect or unclear.

src/_locales/it/messages.yml

@@ -60,7 +60,7 @@ buttonReplaceAll:
   message: Tutti
 buttonSave:
   description: Button to save modifications of a script.
-  message: Salve
+  message: Salva
 buttonSaveBlacklist:
   description: Button to save global blacklist.
   message: Salva
@@ -118,13 +118,13 @@ editNavSettings:
   message: Impostazioni
 editNavValues:
   description: Label of values tab in script editor.
-  message: ''
+  message: 'Valori'
 editValueCancel:
   description: Button to cancel modification of a script value.
-  message: ''
+  message: 'Annulla'
 editValueSave:
   description: Button to save modification of a script value.
-  message: ''
+  message: 'Salva'
 extDescription:
   description: Description for this extension.
   message: Introduce il supporto agli userscript per browser.
@@ -160,7 +160,7 @@ labelAbout:
   message: Riguardo Violentmonkey
 labelAdvanced:
   description: Label for button to show advanced settings.
-  message: ''
+  message: 'Impostazioni avanzate'
 labelAllowUpdate:
   description: Option to allow checking updates for a script.
   message: Permetti aggiornamenti
@@ -175,16 +175,16 @@ labelAutoUpdate:
   message: Controlla automaticamente gli script per aggiornamenti tutti i giorni
 labelBadge:
   description: Label for option to show number on badge.
-  message: ''
+  message: 'Mostra sull''icona'
 labelBadgeNone:
   description: Option to display nothing on badge.
-  message: ''
+  message: 'Nulla'
 labelBadgeTotal:
   description: Option to display total number of running scripts on badge.
-  message: ''
+  message: 'Il numero di script totali in esecuzione'
 labelBadgeUnique:
   description: Option to display number of unique running scripts on badge.
-  message: ''
+  message: 'Il numero di script unici in esecuzione'
 labelBlacklist:
   description: Label for global blacklist settings in security section.
   message: Blacklist
@@ -208,7 +208,7 @@ labelDownloadURL:
   message: 'URL Download:'
 labelEditValue:
   description: Label shown in the panel to edit a script value.
-  message: ''
+  message: 'Modifica valore per lo scipt'
 labelExclude:
   description: Label of @exclude rules.
   message: '@exclude rules'
@@ -217,7 +217,7 @@ labelExcludeMatch:
   message: '@exclude-match rules'
 labelExportScriptData:
   description: Option to export script data along with scripts.
-  message: Esporta dati script
+  message: Esporta i dati degli script
 labelFeedback:
   description: Label of link to feedback page.
   message: Feedback
@@ -229,7 +229,7 @@ labelGeneral:
   message: Generale
 labelHomepage:
   description: Label for home page in about tab.
-  message: ''
+  message: 'Homepage'
 labelHomepageURL:
   description: Label of script @homepageURL in custom meta data.
   message: 'URL Homepage:'
@@ -241,22 +241,22 @@ labelInclude:
   message: '@include rules'
 labelIndentUnit:
   description: Label for editor option of indent unit size.
-  message: ''
+  message: 'Indentazione:'
 labelInstall:
   description: Shown in the title of the confirm page while trying to install a script.
   message: Installando script
 labelKeepOriginal:
   description: Option to keep the original match or ignore rules.
-  message: Tieni originale
+  message: Mantieni originale
 labelLastUpdatedAt:
   description: Label shown on last updated time.
-  message: ''
+  message: 'Ultimo aggiornamento il:'
 labelLineNumber:
   description: Label for line number jumper.
   message: 'Linea numero: '
 labelLineWrapping:
   description: Label for editor option of line wrapping.
-  message: ''
+  message: 'A-capo automatico'
 labelMatch:
   description: Label of @match rules.
   message: '@match rules'
@@ -327,7 +327,7 @@ labelSyncRevoke:
   message: Revoca
 labelSyncScriptStatus:
   description: Label for option to sync script status.
-  message: Stato sincronizzazione script
+  message: Sincronizza lo stato degli script
 labelSyncService:
   description: Label for sync service select.
   message: Sincronizza con
@@ -363,7 +363,7 @@ menuScriptEnabled:
   message: Script abilitati
 msgCheckingForUpdate:
   description: Message shown when a script is being checked for updates by version numbers.
-  message: Controllando aggiornamenti...
+  message: Controllo degli aggiornamenti...
 msgErrorFetchingScript:
   description: Message shown when Violentmonkey fails fetching a new version of the script.
   message: Errore durante lo scaricamento dello script!
@@ -450,16 +450,16 @@ msgUpdating:
   message: Aggiornando...
 noValues:
   description: Label shown when there is no value for current script.
-  message: ''
+  message: 'Nessun valore salvato'
 optionShowEnabledFirst:
   description: Option to show enabled scripts first in alphabetical order.
   message: Visualizza script abilitati per primi
 searchCaseSensitive:
   description: Option to perform a case-sensitive search
-  message: ''
+  message: 'Maiuscole/minuscole'
 searchUseRegex:
   description: Option to perform a regular expression search
-  message: ''
+  message: 'Espressione regolare'
 sideMenuAbout:
   description: 'Side menu: About'
   message: A riguardo
@@ -474,10 +474,10 @@ titleScriptUpdated:
   message: Aggiornamento
 valueLabelKey:
   description: Label for key of a script value.
-  message: ''
+  message: 'Chiave (stringa)'
 valueLabelValue:
   description: Label for value of a script value.
-  message: ''
+  message: 'Valore (stringa JSON)'
 warnScriptLongLines:
   description: Warning message shown when script has lines that are too long to be edited.
-  message: ''
+  message: 'Alcune linee dello script sono troppo lunghe e non possono essere editate. Apri lo script con un editor esterno.'