Be sure to bundle AR 3.0.x (under Ruby 1.8.7)
Be sure to bundle AR 3.1
Be sure to bundle AR 3.2.x
Be sure to bundle DB 1.2.x
Rails 3.0.x fails to load helpers in Engines (?)

https://github.com/amatsuda/kaminari/commit/2ed8adfe378594ae1585ac4a457a6d01f04478eb#commitcomment-3882694
fix URL of build status icon on README.rdoc
Merge pull request #434 from eitoball/fix_build_status_icon_on_readme

Fix URL of build status icon on README.rdoc
Need to bundle actionview gem for edge Rails
Failing spec for AR4 + custom select + count

refs #409
Count on :all rather than nil by default

fixes #409
change scope to class method
Add Code Climate badge to README

I also moved both the build status badge and the Code Climate badge to the top as I've seen a lot of other projects do.
Fix arity problem with rails 4.1.0

Fix specs for airty check

Don't check arity, just check the AR version
Merge pull request #446 from noahd1/master

Add Code Climate badge to README
This gets Mongo and DataMapper specs running
but newer versions of AR, and incidentally Sinatra specs still fail.
Use database_cleaner ~> 1.2.0 for tests
use kaminari.gemspec database_cleaner in sub gemfiles
Use truncation for DataMapper
lock mongoid_30 at ~> 3.0.0
test against mongoid ~> 3.1.0 with rails ~> 4.0.0