* [REG] Add save and restore help strings
* [REG] Implement REG SAVE
* [REG] Assert the BACKUP privilege
With this change applied, reg.exe correctly saves a key on Windows 10.
* [REG] Use RegSaveKeyEx()
* [REG] Implement REG RESTORE
* [REG] Close the process token
* [REG] Remove duplicate string
* [REG] Add missing comma
* [REG] Copy new strings into translation files
* [REG] Update STRING_USAGE translations
"Should be submitted to wine" (tm)