Merge pull request #183 from ArturG/rails_upgrade

Upgraded to rails 3.2.16

Gemfile

@@ -5,7 +5,7 @@ source 'http://rubygems.org'
 
 ruby '1.9.3'
 
-gem 'rails', '3.1.11'
+gem 'rails', '3.2.17'
 gem 'json'
 
 gem 'hackety_hack-lessons', '~> 1.1', :require => 'hackety_hack/lessons'
@@ -16,15 +16,7 @@ gem 'mongo_mapper'
 gem 'bson_ext'
 
 gem "letter_opener", group: :development
-
-# Gems used only for assets and not required
-# in production environments by default.
-group :assets do
-  gem 'sass-rails',   "~> 3.1.0"
-  gem 'coffee-rails', "~> 3.1.0"
-  gem 'uglifier'
-end
-
+
 gem "devise",     "~> 2.2.2"
 gem 'mm-devise',  '~> 2.0'
 gem 'cancan'
@@ -36,6 +28,14 @@ gem "semantic_menu",  git: "git://github.com/michaek/semantic_menu.git"
 gem 'will_paginate'    # Pagination
 gem 'redcarpet', '~> 3.0'   # Markdown
 
+# Gems used only for assets and not required
+# in production environments by default.
+group :assets do
+  gem 'sass-rails'
+  gem 'coffee-rails'
+  gem 'uglifier'
+end
+
 group :development do
   # Use unicorn as the web server
   gem 'unicorn'
@@ -49,8 +49,6 @@ group :development, :test do
   gem "faker"
   gem 'pry'
   gem 'sqlite3'
-
-
 end
 
 group :production do