Restrict backup and restore to virtual mode

Author: haslinghuis

locales/en/messages.json

@@ -289,6 +289,14 @@
         "message": "Device - <span class=\"message-positive\">Ready</span>"
     },
 
+    "backupFileIncompatible": {
+        "message": "Backup file provided was generated for previous version of the configurator and is incompatible with this version of configurator. Sorry"
+    },
+
+    "backupFileUnmigratable": {
+        "message": "Backup file provided was generated by a previous version of the configurator and is not migratable. Sorry."
+    },
+
     "configMigrationFrom": {
         "message": "Migrating configuration file generated by configurator: $1"
     },
@@ -797,6 +805,12 @@
     "initialSetupResetText": {
         "message": "Restore settings to <strong>default</strong>"
     },
+    "initialSetupButtonBackup": {
+        "message": "Backup"
+    },
+    "initialSetupButtonRestore": {
+        "message": "Restore"
+    },
     "initialSetupButtonRebootBootloader": {
         "message": "Activate Boot Loader / DFU"
     },
@@ -806,6 +820,12 @@
     "initialSetupRebootBootloaderText": {
         "message": "Reboot into <strong>boot loader / DFU</strong> mode."
     },
+    "initialSetupBackupSuccess": {
+        "message": "Backup saved <span class=\"message-positive\">successfully</span>"
+    },
+    "initialSetupRestoreSuccess": {
+        "message": "Configuration restored <span class=\"message-positive\">successfully</span>"
+    },
     "initialSetupButtonResetZaxis": {
         "message": "Reset Z axis, offset: 0 deg"
     },