Add REST API support to members

Members can be now retrieved one at a time is user has admin rights.
Implemented also permissions and throttle rates to REST API and added
required settings.py modifications to settings-sample.py file.

members/urls.py

@@ -17,6 +17,9 @@ from members.views import member_delete_confirm
 from members.views import member_delete
 from members.views import payment_list
 
+# rest api
+from members.views import MemberDetail
+
 # application
 from members.views import application_form
 from members.views import application_list
@@ -96,6 +99,9 @@ urlpatterns = [
     # favourite icon
     url(r'^favicon\.ico$', favicon_view),
 
+    # rest api url
+    url(r'^api/members/(?P<pk>\d+)$', MemberDetail.as_view()),
+
     # email validation
     # url(r'^validate/(?P<uidb64>[0-9A-Za-z_\-\']+)/(?P<token>[0-9A-Za-z]{1,13}-[0-9A-Za-z]{1,20})/$', validateEmail, name='user-activation-link'),
     # url(r'^validate/success/$', validate_success),