Using interlegis fork of django-admin-bootstrapped

To use
https://github.com/django-admin-bootstrapped/django-admin-bootstrapped/pull/147
Rename module
Add parlamentarian list test
Set charset meta in base template
Add "Clear all filters" option to filters (for Parlamentarian)
Organize imports in some files
Add "Clear all filters" option to all model admins

For that we use BaseModelAdmin in all model admins