ruby-build 20130518
Treat the openssl 0.9.8(r|x) bundled with OS X as broken library. So the ruby-build will download and build the latest one.
Merge pull request #365 from ghawkgu/master

Fix the has_broken_mac_openssl function for the pre-release version of OS X
Fix OpenSSL version pattern (#365)
Create maglev-2.0.0-dev
Merge pull request #369 from matthias-springer/master

Add install script for Maglev 2.0.0 dev (the branch with 1.9 support)
making checksum comparison case insensitive
Merge pull request #374 from katiepru/fix_md5_case

making checksum comparison case insensitive
added latest releases includes CVE-2013-4073
use Homebrew openssl if available

Fixes #343, references #367
Merge pull request #376 from mislav/brew-openssl

use Homebrew openssl if available
ruby-build 20130628

Closes #375.