update to Rails 5.0

don't use 'back' for redirect after failed access

update to Ruby 2.3.1, Rails 4.2.7.1, Devise 4

Merge pull request #10 from westonplatter/patch-2

Merge pull request #9 from westonplatter/patch-1

sign up helper. add name attribute

devise. provide updated configs for custom fields.

update to rails 4.2.5

update readme

update readme

update for Ruby 2.2.3

update to rails 4.2.4

update to Rails 4.2.1 and current Rails Composer

Merge branch 'master' of github.com:RailsApps/rails-devise-roles

update ruby version