(fix)add comments for auth.js
(fix)add commennts for account.js
(fix)style errors for chat.js'
(fix)style issues
(fix)add comment for SimpleLoginUnit(services) and an error function
(fix)add comments for SimpleUnitLogin(controller)
(fix)filename change
Merge pull request #96 from moxizhou/auth

(feat) comments for auth.js, room.js, auth.js tests, simplelogin tests, chat.js