Enabled captcha for registration

chatto/src/main/java/org/ros/chatto/controller/RegistrationController.java

@@ -66,11 +66,12 @@ public class RegistrationController {
 		logger.debug("Captcha text from captcha map = {}", captchaMap.get(userRegistrationDTO.getCaptchaID()));
 		if (userRegistrationDTO.getCaptchaInput().equals(captchaMap.get(userRegistrationDTO.getCaptchaID()))) {
 			logger.info("Registration captcha equal success");
+			userService.registerUser(userRegistrationDTO);
+			return "redirect:registration?success";
 		} else {
 			logger.warn("Registration captcha equal fail");
+			return "redirect:registration?error";
 		}
-		userService.registerUser(userRegistrationDTO);
-		return "user/home";
 	}
 
 	@GetMapping(value = "/img/captcha/{image_id}", produces = MediaType.IMAGE_PNG_VALUE)