Update filters.py

[fix] ListField validation

missed a comma, sorry

add trove classifiers to setup.py

will make it so https://caniusepython3.com stops showing this as a blocker

based on the versions currently tested in Travis

FileUploadInput fix

Added after_model_delete hook on view classes like after_model_change

If you edit a model where file field is required you will get a validation error if file field is set but wasn't changed.
You should pass filename in form data if it is already set.

fix mapbox-v4

Fix “object has no attribute 'message’” in py3

There are some programmers using unicode strings by default in Python 2 (from __future__ import unicode_literals). In that case "str.lower" raises TypeError (str type is expected, unicode given). This propose fixed mentioned issue.

Fixed some other references form mrjoes (user) to flask-admin (org)

Add missing .mo files for translations, correct folder names

Add afrikaans machine translations

Improve translations

Revert 860 ks mapbox v4

control inline model row control display

Give users the option to use mapbox v4

Updated references in doc from MrJoes (user) to flask-admin (org)

Currently, although the render_inline_fields macro takes an optional
check parameter, it's not passed from the default inline_field_list
templates, forcing applications to override the template just to control
the parameter.