351 employee account status

Closes dashboard#736

Added User blocked status and check for it in response in executeRestfulFunction in order to create a UserBlocked event.

javascript/src/constants/statuses.js

 export const STATUS_DEVICE_REVOKED = "Device revoked";
-export const STATUS_USER_NOT_ACTIVATED = 'User not activated';
+export const STATUS_USER_NOT_ACTIVATED = "User not activated";
+export const STATUS_USER_BLOCKED = "User blocked";