Change Password support for Console (#457)

- Account change password endpoints
- Change account password modal
- Grouped account settings and service accounts
- Removed the SuperAdmin credentials from almost all places, only
  missing place is Oauth login
- Renamed service-accounts UI labels to account in Menu

Co-authored-by: Daniel Valdivia <hola@danielvaldivia.com>

restapi/user_logout.go

@@ -42,7 +42,7 @@ func registerLogoutHandlers(api *operations.ConsoleAPI) {
 }
 
 // logout() call Expire() on the provided consoleCredentials
-func logout(credentials ConsoleCredentials) {
+func logout(credentials ConsoleCredentialsI) {
 	credentials.Expire()
 }