Set keyboard layout into en_US on windows (keychain and key manager) #109
Description
It is necessary to set keyboard layout always to en_US on windows for compatibility with linux version.
- Need to figure out what layouts are installed in the case of UK localization.
- Need to store current layout, switch to en_US or en_US_international,
- when password entry procedure will be finished need to restore layout to previous state.
- Need to show country flag of keyboard layout (USA).
If system has no en_US or en_US_international layout it must be installation error (@NuclearRazor) and runtime error (@IluhaPuts).