rails4 dependencies
get tests running
observers are removed on rails4
fix error message changed
fix mongoid definition
try to fix jruby testing
fix other models for mongoid
test rubinius on 1.9 mode
remove unneeded attr_accessible on mongoid, it is below
change mongoid configuration, enable ruby 2.0.0 on travis
fix connect on mongoid
test on 2.0.0 but allow failure
fix for mongoid
Bugfixes for rails 4.0.0beta

strong_parameters was preventing the invited user from choosing a
password, and assign_attributes was being called the old way in one
place
config for mongoid 3
validate encrypted password only if required although the validation itself is not really needed since Validatable takes care of it
popping last element modifies params array therefore super receives empty object, returns nil, and causes tests to fail
Devise's recommended way of adding custom allowed params for sign up
https://github.com/plataformatec/devise/tree/rails4#strong-parameters
use devise_parameter_sanitizer
remove attr_accessible from tests