Update dependencies for Rails 4
Updating test app running rake rails:update, tests running with failures
Fix changed error messages from confirmation validation
Remove AR deprecated finder warnings
Disable forcing whitelist attributes from protected attributes

This was the previous functionality since we didn't set anything in the
application configuration. Now when using protected attributes gem, it
sets whitelist to true, forcing us to always declare the accessible
attributes, and this is not the case for the Admin model.
assert_recognizes rises `Assertion` instead of `RoutingError`
Match full template name
Do not remove app/mailers from autoloaded paths
Run tests with mongoid
To be able to post to root via is now needed
We need to do match via [get, post]
Rails 4 now raises ActionController::UrlGenerationError

This is the commit in Rails
https://github.com/rails/rails/commit/db06d128
Fix last mongoid tests since it does not have the order method
Enable Ruby 2.0 in travis