Flake8 webadmin.views
Flake8 webadmin.forms
Flake8 webadmin.urls
Flake8 webadmin_utils
Flake8 webadmin.custom_forms
Flake8 webadmin.custom_widgets
Flake8 webadmin templatetags
Flake8 webadmin Selenium tests
Add webadmin flake8 to Travis
Minor fixes as per Colin's suggestions
Merge pull request #3262 from sbesson/webadmin_flake8

Flake8 webadmin