fix title of pages with active_admin_logged_out layout (fix #3428)
use same item dsl for actions and actions with dropdown (fix #2625)
join IndexAsTable default actions
extend documentation for new index actions style
remove i18n key `active_admin.update_model`

This key is not used by active admin, see #3172
remove i18n key `active_admin.create_model`
don't configure authentication_method if devise isn't used (fix #3467)
rename locale iso 'no-NB' to 'nb'

see https://en.wikipedia.org/wiki/ISO_639:nb for details
remove es.active_admin.blank_slate.entry

this don't exist in 'en' and is not used by ActiveAdmin
mv locale key fr.active_admin.access_denied

mv locale key fr.active_admin.access_denied to fr.active_admin.access_denied.message

see:
https://github.com/activeadmin/activeadmin/blob/master/lib/active_admin/error.rb#L15
add some missing devise.links locals
remove {es,es-MX}.views.pagination.*

there is the `kaminari-i18n` gem to get this locales
fix datepicker css for use with changeYear/changeMonth (close #2927)
Support default Pundint policy class.

basic form @seban on #3323, with changes from @timoschilling
add tabs section to forms documentation.
add tabs section to show documentation.
Merge pull request #3573 from yagudaev/patch-3

Update 6-show-pages.md
Merge pull request #3572 from yagudaev/patch-2

Update 5-forms.md
Update 5-forms.md

Updated form tabs example so the styles look nicer. I was originally going to create a bug to fix some visual design issues, which I will still due. But this looks ok
Merge pull request #3575 from yagudaev/patch-4

Update 5-forms.md