Use sdoc to generate application code documentation

Gemfile

@@ -118,6 +118,9 @@ group :development do
   # Better errors handler
   gem 'better_errors'
   gem 'binding_of_caller'
+
+  # Docs generator
+  gem "sdoc"
 end
 
 group :development, :test do

Gemfile.lock

@@ -393,6 +393,9 @@ GEM
       railties (~> 3.2.0)
       sass (>= 3.1.10)
       tilt (~> 1.3)
+    sdoc (0.3.20)
+      json (>= 1.1.3)
+      rdoc (~> 3.10)
     seed-fu (2.2.0)
       activerecord (~> 3.1)
       activesupport (~> 3.1)
@@ -529,6 +532,7 @@ DEPENDENCIES
   resque_spec
   rspec-rails
   sass-rails (~> 3.2.5)
+  sdoc
   seed-fu
   settingslogic
   shoulda-matchers (= 1.3.0)