Fix registration

Author: adrien1018

app/controllers/registrations_controller.rb

@@ -11,7 +11,7 @@ def edit
   def create
     super
     resource.generate_random_avatar
-    resource.save!
+    resource.save # errors would have already happened and rendered in super
   end
 
   def update

app/views/devise/registrations/edit.html.erb

@@ -2,7 +2,7 @@
 <h4 class="page-header">Edit <%= resource_name.to_s.humanize %> <small><%= current_user.username %></small></h4>
 <div class="col-xs-12 col-md-6">
 <%= form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put }) do |f| %>
-  <%= render "devise/shared/error_messages", resource: resource %>
+  <%= render partial: "shared/errors", locals: {errors: resource.errors, item: 'user'} %>
 
   <div class="form-group">
     <%= f.label :nickname %>

app/views/devise/registrations/new.html.erb

@@ -2,7 +2,7 @@
 <h4 class="page-header">Sign up</h4>
 <div class="col-xs-12 col-md-6">
 <%= form_for(resource, as: resource_name, url: registration_path(resource_name)) do |f| %>
-  <%= render "devise/shared/error_messages", resource: resource %>
+  <%= render partial: "shared/errors", locals: {errors: resource.errors, item: 'user'} %>
 
   <div class="form-group">
     <%= f.label :email %>