Log Message:
Update ruby-ruby-openid to 2.7.0.

Sort PLIST.

## 2.7.0

* Use RFC 2396 compatible URI parser for trustroot - \ 
7c84ec9ced3ccbdad575e02dbfa81e53b52f909e
  See https://github.com/openid/ruby-openid/pull/85
* Use HMAC from OpenSSL rather than Digest - ce2e30d7ff3308f17ef7d8c19d6f4752f76c9c40
  See https://github.com/openid/ruby-openid/pull/84
* Check if OpenSSL is loaded - 751e55820d958ee781f5abb466a576d83ddde6fd

## 2.6.0

* More safely build filenames - 1c4a90630b183e7572b8ab5f2e3a3e0c0fecd2c7
  See https://github.com/openid/ruby-openid/pull/80
* The session serializer of Rails4.1 is json - \ 
b44a1eb511dec3be25a07930121bc80cacec0f1c
* Handle boolean value to fix signature issue - \ 
d65076269b77754da7db6e4b189edeeb9201600d
  See https://github.com/openid/ruby-openid/pull/76