Package .yardopts in the Gem.

haml.gemspec

@@ -36,7 +36,7 @@ HAML_GEMSPEC = Gem::Specification.new do |spec|
   end.to_a
   spec.executables = ['haml', 'html2haml', 'sass', 'css2sass']
   spec.files = FileList['rails/init.rb', 'lib/**/*', 'bin/*', 'test/**/*',
-    'extra/**/*', 'Rakefile', 'init.rb'].to_a + readmes
+    'extra/**/*', 'Rakefile', 'init.rb', '.yardopts'].to_a + readmes
   spec.homepage = 'http://haml.hamptoncatlin.com/'
   spec.has_rdoc = true
   spec.extra_rdoc_files = readmes