Use _devise_route_context in omniauth url_helpers
Ensure that migrations are created with the `.rb` extension.

Since rails/rails#13612 the generator won't always add the `.rb`
extension when creating migrations with the `migration_template`
method.
Merge branch 'lm-migration-extension'
Update README.md

The updates are:

* Indicate that it is possible to pass a block to `super` to add custom
  behaviour to some Devise controller actions without completely
  overriding them.

* Move mailer configuration out of the section "Controller filters and
  helpers".

* Consistently use Ruby 1.9's hash syntax, highlight code and capitalize
  "Devise".

* Wording improvements
Merge pull request #2866 from guilhermesimoes/readme-update

Readme update
Additional documentation on simple scalars and nested types
Merge pull request #2869 from leriksen/master

Additional documentation on permitted scalars and nested parameter configuration
Remove password_length default docs in config template

The default specified in the docs does not match up with the default
specified in the config.

See
https://github.com/plataformatec/devise/blob/cc8636cfed2801db00bf38f335a3bcc5c79660d3/lib/devise.rb#L127

Changing the docs to read 6..128 with the config setting to 8..128 is
feared to cause confusion, so removing the default clause instead.
Merge pull request #2868 from rmm5t/patch-1

Update password_length docs in config template
Release v3.2.3
Set autocomplete=off on all password inputs
`bcrypt-ruby` is now `bcrypt`.
Merge pull request #2854 from aceofspades/omniauth_devise_route_context

Use _devise_route_context in omniauth url_helpers
Merge pull request #2876 from rbsec/master

Disable autocompletion on all password inputs
Fix for #2875
Merge pull request #2880 from dwbutler/issue_2875

Fix for #2875
Set default secret_key before eager load
Merge pull request #2884 from dlackty/fix-secret-token-not-found

Set default secret_key before eager load
Updated ruby 1.9 hash syntax
Merge pull request #2899 from justanshulsharma/master

Updated ruby 1.9 hash syntax