Upgraded to rails 3.1.8. Fixed various bugs in wiki.

Gemfile

@@ -1,19 +1,30 @@
 # A sample Gemfile
 source "http://rubygems.org"
 
-gem "rails", '3.0.16'
+gem "rails", '3.1.8'
+
+# Gems used only for assets and not required
+# in production environments by default.
+group :assets do
+  gem 'sass-rails',   '~> 3.1.5'
+  gem 'coffee-rails', '~> 3.1.1'
+
+  # See https://github.com/sstephenson/execjs#readme for more supported runtimes
+  gem 'therubyracer'
+
+  gem 'uglifier', '>= 1.0.3'
+end
+
+gem 'jquery-rails'
 
 gem 'mysql2'
 gem "fastercsv"
 gem "prawn", '<=0.6.3'
-gem 'haml'
-gem 'sass'
+gem 'haml-rails'
 gem "will_paginate", "~> 3.0.pre2"
-gem 'jquery-rails'
 gem 'client_side_validations'
 gem 'simple_form'
-gem 'rails3_acts_as_paranoid', '0.0.9'
-gem 'meta_where'
+gem 'rails3_acts_as_paranoid', "~>0.1.4"
 gem 'meta_search'
 gem 'inherited_resources'
 gem 'localize_input', :git => "git://github.com/bennibu/localize_input.git"