Add YARD rake task and dependencies

.gitignore

@@ -4,6 +4,8 @@
 *.swp
 .DS_Store
 .bundle
+.rvmrc
+.yardoc
 Gemfile.lock
 coverage/*
 db/*.sqlite3

.yardopts

@@ -0,0 +1,5 @@
+--no-private
+--protected
+--markup markdown
+-
+LICENSE.mkd

Rakefile

@@ -9,3 +9,15 @@ require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec)
 
 task :default => :spec
+
+namespace :doc do
+  require 'yard'
+  YARD::Rake::YardocTask.new do |task|
+    task.files   = ['LICENSE.mkd', 'lib/**/*.rb']
+    task.options = [
+      '--protected',
+      '--output-dir', 'doc/yard',
+      '--markup', 'markdown',
+    ]
+  end
+end

rails_admin.gemspec

@@ -2,13 +2,17 @@
 require File.expand_path('../lib/rails_admin/version', __FILE__)
 
 Gem::Specification.new do |s|
+  # If you add a development dependency, please maintain alphabetical order
   s.add_development_dependency('devise', '~> 1.1')
   s.add_development_dependency('dummy_data', '~> 0.9')
+  s.add_development_dependency('maruku', '~> 0.6')
   s.add_development_dependency('paperclip', '~> 2.3')
   s.add_development_dependency('rspec-rails', '~> 2.3')
   s.add_development_dependency('simplecov', '~> 0.3')
   s.add_development_dependency('webrat', '~> 0.7')
+  s.add_development_dependency('yard', '~> 0.6')
   s.add_development_dependency('ZenTest', '~> 4.4')
+  # If you add a runtime dependency, please maintain alphabetical order
   s.add_runtime_dependency('builder', '~> 2.1.0')
   s.add_runtime_dependency('rails', '~> 3.0.3')
   s.authors = ["Erik Michaels-Ober", "Bogdan Gaza"]