* README -> README.md: [DOC] Format README with Markdown [Bug #9255]
* README.ja -> README.ja.md: ditto


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44684 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-01-23

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44685 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* method.h: rearrange rb_method_definition_struct to save 8 bytes in
  padding on 64 bit platforms. Patch by Eric Wong.

  [Feature #9441] [ruby-core:59993]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44686 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* process.c (recv_child_error): Fix deadlock in rb_fork_internal when a
  signal is sent to the parent process while Ruby is forking in IO.popen.

  Patch by Scott Francis. Closes GH-513.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44687 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/fileutils.rb: [DOC] Fix typo in options_of() example [Bug #9392]
  Patch by Giorgos Tsiftsis


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e