将注册页面用户名和密码的验证改为了输入框失去焦点的时候才验证，防止发送大量请求。

增加注册的时候向后端发送邮箱字段。
整理 js 代码风格。

static/src/js/app/oj/account/change_password.js

@@ -40,7 +40,7 @@ require(["jquery", "bs_alert", "csrf", "validation"], function($, bs_alert, csrf
                             original: $("#new_password"),
                             message: "两次输入的密码必须一致"
                         }
-                    },
+                    }
                 }
             }
         }

static/src/js/app/oj/account/register.js

@@ -2,13 +2,9 @@ require(["jquery", "bs_alert", "csrf", "validation"], function($, bs_alert, csrf
     $("#register-form")
         .formValidation({
             framework: "bootstrap",
-            icon: {
-                valid: 'glyphicon glyphicon-ok',
-                invalid: 'glyphicon glyphicon-remove',
-                validating: 'glyphicon glyphicon-refresh'
-            },
             fields: {
                 username: {
+                    trigger: 'blur',
                     validators: {
                         notEmpty: {
                             message: "请填写用户名"
@@ -45,7 +41,7 @@ require(["jquery", "bs_alert", "csrf", "validation"], function($, bs_alert, csrf
                         notEmpty: {
                             message: "请填写真实姓名"
                         }
-                    },
+                    }
                 },
                 confirm_password: {
                     validators: {
@@ -59,6 +55,7 @@ require(["jquery", "bs_alert", "csrf", "validation"], function($, bs_alert, csrf
                     }
                 },
                 email: {
+                    trigger: 'blur',
                     validators: {
                         notEmpty: {
                             message: "请填写电子邮箱邮箱地址"
@@ -80,10 +77,11 @@ require(["jquery", "bs_alert", "csrf", "validation"], function($, bs_alert, csrf
             var username = $("#username").val();
             var real_name = $("#real_name").val();
             var password = $("#password").val();
+            var email = $("#email").val();
             $.ajax({
                 beforeSend: csrfHeader,
                 url: "/api/register/",
-                data: {username: username, real_name: real_name, password: password},
+                data: {username: username, real_name: real_name, password: password, email: email},
                 dataType: "json",
                 method: "post",
                 success: function (data) {