fix case problem with require of newsletter manager

services/web/app/coffee/Features/User/UserRegistrationHandler.coffee

@@ -2,7 +2,7 @@ sanitize = require('sanitizer')
 User = require("../../models/User").User
 UserCreator = require("./UserCreator")
 AuthenticationManager = require("../Authentication/AuthenticationManager")
-NewsLetterManager = require("../NewsLetter/NewsLetterManager")
+NewsLetterManager = require("../Newsletter/NewsletterManager")
 async = require("async")
 EmailHandler = require("../Email/EmailHandler")
 logger = require("logger-sharelatex")

services/web/test/UnitTests/coffee/User/UserRegistrationHandlerTests.coffee

@@ -26,7 +26,7 @@ describe "UserRegistrationHandler", ->
 			"../../models/User": {User:@User}
 			"./UserCreator": @UserCreator
 			"../Authentication/AuthenticationManager":@AuthenticationManager
-			"../NewsLetter/NewsLetterManager":@NewsLetterManager
+			"../Newsletter/NewsletterManager":@NewsLetterManager
 			"../Email/EmailHandler": @EmailHandler
 
 		@passingRequest = {email:"something@email.com", password:"123"}