[refs #257] Change error messages logic. Fix avatar ru translation

app/assets/stylesheets/design/custom.scss

@@ -1,5 +1,9 @@
 // PUT custom styles here ONLY
 
+span.error {
+  display: none;
+}
+
 a#manage-labels {
   margin-bottom: 10px;
 }

app/controllers/users_controller.rb

@@ -49,6 +49,7 @@ class UsersController < ApplicationController
       redirect_to edit_user_path(@user)
     else
       flash[:error] = t('flash.user.save_error')
+      flash[:warning] = @user.errors.full_messages.join('. ')
       render(:action => :edit)
     end
   end
@@ -60,6 +61,7 @@ class UsersController < ApplicationController
         redirect_to user_private_settings_path(@user)
       else
         flash[:error] = t('flash.user.save_error')
+        flash[:warning] = @user.errors.full_messages.join('. ')
         render(:action => :private)
       end
     end

config/locales/users.ru.yml

@@ -43,4 +43,5 @@ ru:
         site: Вэб-сайт
         location: Местонахождение
         company: Компания
+        avatar: Аватар