fix #504
Some refactoring .
Merge branch '3.1-stable'
correct Changelog and version bump to avoid conflict.
Delete unused owned tags directly.
Tests clean up
Activerecord 4.2 don't require patching anymore.
utils update
clean up spec folder
Rspec 3 finally
Use version 4.1.0 now
We should use the wiki
Fix crash in rails 4.2
travis new config
spec cleanup
travis has issues with threads.
Travis don't need to write debug log
Removed ruby deprecated syntax
restored models.rb for travis.
Added Rbx-2 and allow failure in rbx and rails 4.2
http://www.benjaminfleischer.com/2013/12/05/testing-rubinius-on-travis-ci/