readme is markdown now

Author: brianmario

mysql2.gemspec

@@ -7,9 +7,6 @@ Gem::Specification.new do |s|
   s.date = Time.now.utc.strftime("%Y-%m-%d")
   s.email = %q{[email protected]}
   s.extensions = ["ext/mysql2/extconf.rb"]
-  s.extra_rdoc_files = [
-    "README.rdoc"
-  ]
   s.files = `git ls-files`.split("\n")
   s.homepage = %q{http://github.com/brianmario/mysql2}
   s.rdoc_options = ["--charset=UTF-8"]