Google Code-in

[website] Create travis build to run linters

• travis
• linters
• html
• css
• javascript

Design a new facebook cover image for OpenWISP

• social-media
• design
• facebook

[ansible-openwisp2-imagegenerator] Add empty crontab file

• ansible
• openwrt
• linux

[openwisp-controller] Add permissions for the groups "Operator" and "Administrator"

• python
• openwisp-controller
• django

[docs] Python/django development tools page

• python
• dev-tools
• documentation
• openwisp

[django-freeradius] Add management commands suggestion in installation page

[easy] [django-netjsonconfig] add ci check for migrations

• python
• tests
• ci
• django

[openwisp-users] increase coverage

• python
• tests
• django
• coverage

[netjsonconfig] Upgrade jsonschema lib to 3.0 alpha

• python
• json
• jsonschema

[easy] [django-x509] add ci check for migrations

• python
• tests
• ci
• django