[SF2035] Change processing user data for the current project (#20)

**Description:**
- Change processing user data for the current project

**YouTrack:**
[SF2035-5](https://youtrack.raccoongang.com/issue/SF2035-5)

edx_oauth_client/pipeline.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+import datetime
 from logging import getLogger
 
 from student.forms import AccountCreationForm
@@ -38,11 +39,22 @@ def ensure_user_information(
 
         # Received fields could be pretty different from the expected, mandatory are only 'username' and 'email'
         data['username'] = user_data.get('username', user_data.get('name'))
-        data['first_name'] = user_data.get('firstName', user_data.get('first_name'))
-        data['last_name'] = user_data.get('lastName', user_data.get('last_name'))
+        data['first_name'] = user_data.get('firstname', user_data.get('first_name'))
+        data['last_name'] = user_data.get('lastname', user_data.get('last_name'))
         data['email'] = user_data.get('email')
         data['country'] = country
         data['access_token'] = access_token
+
+        date_of_birth = user_data.get('date_of_birth')
+
+        if date_of_birth is not None:
+            data['year_of_birth'] = datetime.datetime.strptime(date_of_birth, '%d.%m.%Y').year
+
+        # User API provide two possible variants "male" or "female", with are strings.
+        # We need extract only first letter and save it to the user profile model.
+        if user_data.get('gender'):
+            data['gender'] = user_data.get('gender')[0]
+
         if any((data['first_name'], data['last_name'])):
             data['name'] = u'{} {}'.format(data['first_name'], data['last_name']).strip()
         else: