* doc/syntax/refinements.rdoc: refinements are no longer experimental.
  patch by @gaurish [fix GH-755][ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-12-01

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e