* lib/csv.rb: added documentation for skip_blanks option by @decasia
  [fix GH-744][ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48258 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* remove trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48259 b2dd03c8-39d4-4d8f-98ff-823fe69b080e