Add license to gemspec
I believe this is MIT licensed.
Add rbx to rvm key
Allow rbx to fail in 1.8/1.9 modes on Travis
Remove escaped quote
Fix 'undefined method `downcase' for nil:NilClass' on JRuby
Unescape hex numeric character references
…72169). I had a Test::Unit repro but it's not portable, so I won't include it for the moment. See https://gist.github.com/806234