* lib/rdoc/generator/darkfish.rb:  Set encoding on output template to
  user-specified encoding.
* test/rdoc/test_rdoc_generator_darkfish.rb:  Test for above.

* lib/rdoc.rb:  Bump version


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39154 b2dd03c8-39d4-4d8f-98ff-823fe69b080e