* sample/trick2013/: added the award-winning entries of TRICK 2013.
  See https://github.com/tric/trick2013 for the contest outline.
  (Matz has approved the attachment.)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44403 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* remove trailing spaces, append newline at EOF.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44404 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* properties.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44405 b2dd03c8-39d4-4d8f-98ff-823fe69b080e