Move real_name to UserProfile;

Delete student_id field;
Mark the problems that have submission;
Alter dispatcher to adapt the changes.

oj/settings.py

@@ -23,7 +23,6 @@ if ENV == "local":
 elif ENV == "server":
     from .server_settings import *
 
-
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 
@@ -80,9 +79,26 @@ TEMPLATES = [
         },
     },
 ]
-
 WSGI_APPLICATION = 'oj.wsgi.application'
 
+# Password validation
+# https://docs.djangoproject.com/en/1.9/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
 # Internationalization
 # https://docs.djangoproject.com/en/1.8/topics/i18n/
 
@@ -105,7 +121,7 @@ AUTH_USER_MODEL = 'account.User'
 
 LOGGING = {
     'version': 1,
-    'disable_existing_loggers': True,
+    'disable_existing_loggers': False,
     'formatters': {
         'standard': {
             'format': '%(asctime)s [%(threadName)s:%(thread)d] [%(name)s:%(lineno)d] [%(module)s:%(funcName)s] [%(levelname)s]- %(message)s'}