add note about enabling csrf validation
minor change to document formatting
fixes #548
Merge pull request #552 from pawl/master

Add documentation about enabling CSRF validation
Added translation to portuguese (pt)
Change in translation string
add varchar to is_text_column_type
Extension point to customize the behaviour of inaccessible views.

It maintain the default behaviour (403 error) and give a way to
enhance this behaviour. E.g. redirect anonymous users to a login page.
Test `inaccessible_callback` with a custom error code.
Merge pull request #555 from pawl/master

add varchar to is_text_column_type
Fix documentation formatting for code block
Add example using 12-hour time
Merge pull request #563 from pawl/master

Add example of 12-hour time to documentation and fix formatting mistake
Merge pull request #559 from iurisilvio/inaccessible_callback

Extension point to customize the behaviour of inaccessible views.
Merge pull request #554 from fonini/master

Added translation to portuguese (pt)
form.upload: folder needs exec permission
Merge pull request #565 from piranha/patch-1

form.upload: folder needs exec permission
Foreign columns should not be displayed in a list view
Merge branch 'master' of github.com:mrjoes/flask-admin
Fixed #566. on_model_delete should be triggered for mass delete action