Finish 1.1.1.

* Use activesupport ~> 4.1 instead of active_support, which doesn't exist any longer.
* Improved support for RBX and JRuby.
Updates for RSpec 3.0.
Use skip instead of pending for JRuby issues.
Replace anoying runtime message about lack of equivalent-xml with an install-time message.
This addresses issue #1.
Replace anoying runtime message about lack of equivalent-xml with an install-time message.
This addresses issue #1.
Replace anoying runtime message about lack of equivalent-xml with an install-time message.
This addresses issue #1.
Change build matrix to use a different Gemfile for pure-ruby, not depending on Nokogiri and equivalent-xml
Resolve require dependencies by requiring 'activesupport' before 'activesupport/ext'.
Version 1.1.2.
Release 1.1.2

* Replace anoying runtime message about lack of equivalent-xml with an install-time message.
  * This addresses issue #1.