migrate to Rails 4.0 (closes foodcoops#214)

Conflicts:
	Gemfile.lock

lib/tasks/rails.rake

@@ -1,31 +0,0 @@
-desc "Checks your app and gently warns you if you are using deprecated code." 
-task :deprecated => :environment do
-  deprecated = {
-    '@params'    => 'Use params[] instead',
-    '@session'   => 'Use session[] instead',
-    '@flash'     => 'Use flash[] instead',
-    '@request'   => 'Use request[] instead',
-    '@env' => 'Use env[] instead',
-    'find_all\([^_]\|$\)'   => 'Use find(:all) instead',
-    'find_first' => 'Use find(:first) instead',
-    'render_partial' => 'Use render :partial instead',
-    'component'  => 'Use of components are frowned upon',
-    'paginate'   => 'The default paginator is slow. Writing your own may be faster',
-    'start_form_tag'   => 'Use form_for instead',
-    'end_form_tag'   => 'Use form_for instead',
-    ':post => true'   => 'Use :method => :post instead'
-  }
-
-  deprecated.each do |key, warning|
-    puts '--> ' + key
-    output = `cd '#{File.expand_path('app', RAILS_ROOT)}' && grep -n --exclude=*.svn* --exclude=.#* -r '#{key}' *`
-    unless output =~ /^$/
-      puts "  !! " + warning + " !!" 
-      puts '  ' + '.' * (warning.length + 6)
-      puts output
-    else
-      puts "  Clean! Cheers for you!" 
-    end
-    puts
-  end
-end