Merge branch 'google-image-login' into 'master'

Google image login

See merge request !361

app/controllers/v1/omniauth_callbacks_controller.rb

+require 'open-uri'
   class V1::OmniauthCallbacksController < DeviseTokenAuth::ApplicationController
 
     attr_reader :auth_params
@@ -76,8 +77,7 @@
 
     # break out provider attribute assignment for easy method extension
     def assign_provider_attrs(user, auth_hash)
-      avatar = auth_hash['provider']=='google_oauth2' ? "" : auth_hash['info']['image']
-
+      avatar = auth_hash['provider']=='google_oauth2' ? open(auth_hash['info']['image'])  : auth_hash['info']['image']
 
       user.assign_attributes({
         nickname: auth_hash['info']['nickname'],